93904 has 10 divisors (see below), whose sum is σ = 181970. Its totient is φ = 46944.

The previous prime is 93901. The next prime is 93911. The reversal of 93904 is 40939.

93904 = T₃₇ + T₃₈ + ... + T₈₄.

It can be written as a sum of positive squares in only one way, i.e., 61504 + 32400 = 248^2 + 180^2 .

It is a super-2 number, since 2×93904² = 17635922432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2919 + ... + 2950.

It is an arithmetic number, because the mean of its divisors is an integer number (18197).

2⁹³⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

93904 is a deficient number, since it is larger than the sum of its proper divisors (88066).

93904 is a wasteful number, since it uses less digits than its factorization.

93904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877 (or 5871 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 93904 is about 306.4375956047. The cubic root of 93904 is about 45.4528755750.

The spelling of 93904 in words is "ninety-three thousand, nine hundred four".