913904 has 10 divisors (see below), whose sum is σ = 1770720. Its totient is φ = 456944.

The previous prime is 913889. The next prime is 913907. The reversal of 913904 is 409319.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 913904.

It is not an unprimeable number, because it can be changed into a prime (913907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28544 + ... + 28575.

It is an arithmetic number, because the mean of its divisors is an integer number (177072).

2⁹¹³⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

913904 is a deficient number, since it is larger than the sum of its proper divisors (856816).

913904 is a wasteful number, since it uses less digits than its factorization.

913904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57127 (or 57121 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 913904 is about 955.9832634518. The cubic root of 913904 is about 97.0435911348.

The spelling of 913904 in words is "nine hundred thirteen thousand, nine hundred four".