913904408 has 32 divisors (see below), whose sum is σ = 1813162800. Its totient is φ = 430645248.

The previous prime is 913904401. The next prime is 913904417. The reversal of 913904408 is 804409319.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913904401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13760 + ... + 44912.

Almost surely, 2^913904408 is an apocalyptic number.

It is an amenable number.

913904408 is a deficient number, since it is larger than the sum of its proper divisors (899258392).

913904408 is a wasteful number, since it uses less digits than its factorization.

913904408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31371 (or 31367 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 913904408 is about 30230.8519231596. The cubic root of 913904408 is about 970.4360557609.

The spelling of 913904408 in words is "nine hundred thirteen million, nine hundred four thousand, four hundred eight".