3918912 has 28 divisors (see below), whose sum is σ = 10369296. Its totient is φ = 1306240.

The previous prime is 3918899. The next prime is 3918913. The reversal of 3918912 is 2198193.

3918912 is nontrivially palindromic in base 7.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3918913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10014 + ... + 10397.

It is an arithmetic number, because the mean of its divisors is an integer number (370332).

Almost surely, 2^3918912 is an apocalyptic number.

3918912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3918912 is an abundant number, since it is smaller than the sum of its proper divisors (6450384).

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

3918912 is a wasteful number, since it uses less digits than its factorization.

3918912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20426 (or 20416 counting only the distinct ones).

The product of its digits is 3888, while the sum is 33.

The square root of 3918912 is about 1979.6242067625. The cubic root of 3918912 is about 157.6601143207.

The spelling of 3918912 in words is "three million, nine hundred eighteen thousand, nine hundred twelve".