3918308 has 12 divisors (see below), whose sum is σ = 6973680. Its totient is φ = 1925832.

The previous prime is 3918301. The next prime is 3918311. The reversal of 3918308 is 8038193.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3918301) 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, 8066 + ... + 8537.

It is an arithmetic number, because the mean of its divisors is an integer number (581140).

Almost surely, 2^3918308 is an apocalyptic number.

It is an amenable number.

3918308 is a deficient number, since it is larger than the sum of its proper divisors (3055372).

3918308 is a wasteful number, since it uses less digits than its factorization.

3918308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16666 (or 16664 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 3918308 is about 1979.4716466775. The cubic root of 3918308 is about 157.6520141472.

Subtracting 3918308 from its reverse (8038193), we obtain a triangular number (4119885 = T₂₈₇₀).

The spelling of 3918308 in words is "three million, nine hundred eighteen thousand, three hundred eight".