90983924 has 12 divisors (see below), whose sum is σ = 159289284. Its totient is φ = 45472704.

The previous prime is 90983909. The next prime is 90983927. The reversal of 90983924 is 42938909.

It can be written as a sum of positive squares in 2 ways, for example, as 49252324 + 41731600 = 7018^2 + 6460^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90983927) 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, 13874 + ... + 19350.

It is an arithmetic number, because the mean of its divisors is an integer number (13274107).

Almost surely, 2^90983924 is an apocalyptic number.

It is an amenable number.

90983924 is a deficient number, since it is larger than the sum of its proper divisors (68305360).

90983924 is a wasteful number, since it uses less digits than its factorization.

90983924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9634 (or 9632 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 90983924 is about 9538.5493656006. The cubic root of 90983924 is about 449.7676561887.

It can be divided in two parts, 909839 and 24, that multiplied together give a triangular number (21836136 = T₆₆₀₈).

The spelling of 90983924 in words is "ninety million, nine hundred eighty-three thousand, nine hundred twenty-four".