415193904 has 40 divisors (see below), whose sum is σ = 1191761520. Its totient is φ = 138397824.

The previous prime is 415193869. The next prime is 415193929. The reversal of 415193904 is 409391514.

It is a happy number.

It is a super-2 number, since 2×415193904² = 344771955837522432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480117 + ... + 480980.

It is an arithmetic number, because the mean of its divisors is an integer number (29794038).

Almost surely, 2^415193904 is an apocalyptic number.

It is an amenable number.

415193904 is an abundant number, since it is smaller than the sum of its proper divisors (776567616).

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

415193904 is a wasteful number, since it uses less digits than its factorization.

415193904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961114 (or 961102 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 415193904 is about 20376.3074181756. The cubic root of 415193904 is about 746.0197461393.

The spelling of 415193904 in words is "four hundred fifteen million, one hundred ninety-three thousand, nine hundred four".