Search a number
-
+
3984970 = 2511172131
BaseRepresentation
bin1111001100111001001010
321111110100111
433030321022
52010004340
6221224534
745604663
oct17147112
97443314
103984970
112281a70
12140214a
13a96a92
1475a36a
1553aaea
hex3cce4a

3984970 has 32 divisors (see below), whose sum is σ = 8289216. Its totient is φ = 1363200.

The previous prime is 3984949. The next prime is 3984971. The reversal of 3984970 is 794893.

It is not an unprimeable number, because it can be changed into a prime (3984971) 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, 805 + ... + 2935.

It is an arithmetic number, because the mean of its divisors is an integer number (259038).

Almost surely, 23984970 is an apocalyptic number.

3984970 is an abundant number, since it is smaller than the sum of its proper divisors (4304246).

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

3984970 is a wasteful number, since it uses less digits than its factorization.

3984970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3984970 is about 1996.2389636514. The cubic root of 3984970 is about 158.5410336694.

The spelling of 3984970 in words is "three million, nine hundred eighty-four thousand, nine hundred seventy".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 374 935 1870 2131 4262 10655 21310 23441 36227 46882 72454 117205 181135 234410 362270 398497 796994 1992485 3984970