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3890214 = 233611181
BaseRepresentation
bin1110110101110000100110
321022122101000
432311300212
51443441324
6215214130
745031506
oct16656046
97278330
103890214
112217859
121377346
13a62903
14733a06
1551c9c9
hex3b5c26

3890214 has 32 divisors (see below), whose sum is σ = 8794080. Its totient is φ = 1274400.

The previous prime is 3890191. The next prime is 3890219. The reversal of 3890214 is 4120983.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2704 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (274815).

Almost surely, 23890214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3890214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4397040).

3890214 is an abundant number, since it is smaller than the sum of its proper divisors (4903866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3890214 is a wasteful number, since it uses less digits than its factorization.

3890214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3890214 is about 1972.3625427390. The cubic root of 3890214 is about 157.2743253214.

The spelling of 3890214 in words is "three million, eight hundred ninety thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 61 122 183 366 549 1098 1181 1647 2362 3294 3543 7086 10629 21258 31887 63774 72041 144082 216123 432246 648369 1296738 1945107 3890214