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3884406 = 23647401
BaseRepresentation
bin1110110100010101110110
321022100101220
432310111312
51443300111
6215131210
745005541
oct16642566
97270356
103884406
112213459
121373b06
13a60086
14731858
1551ae06
hex3b4576

3884406 has 8 divisors (see below), whose sum is σ = 7768824. Its totient is φ = 1294800.

The previous prime is 3884399. The next prime is 3884407. The reversal of 3884406 is 6044883.

It is a sphenic number, since it is the product of 3 distinct primes.

3884406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3884407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323695 + ... + 323706.

It is an arithmetic number, because the mean of its divisors is an integer number (971103).

Almost surely, 23884406 is an apocalyptic number.

3884406 is the 1247-th centered pentagonal number.

3884406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3884406 is a wasteful number, since it uses less digits than its factorization.

3884406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647406.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 3884406 is about 1970.8896468346. The cubic root of 3884406 is about 157.1960173547.

The spelling of 3884406 in words is "three million, eight hundred eighty-four thousand, four hundred six".

Divisors: 1 2 3 6 647401 1294802 1942203 3884406