87938924 has 12 divisors (see below), whose sum is σ = 154022400. Its totient is φ = 43932528.

The previous prime is 87938923. The next prime is 87938953. The reversal of 87938924 is 42983978.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87938923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3479 + ... + 13710.

It is an arithmetic number, because the mean of its divisors is an integer number (12835200).

Almost surely, 2^87938924 is an apocalyptic number.

It is an amenable number.

87938924 is a deficient number, since it is larger than the sum of its proper divisors (66083476).

87938924 is a wasteful number, since it uses less digits than its factorization.

87938924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18472 (or 18470 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 87938924 is about 9377.5755928705. The cubic root of 87938924 is about 444.6930914134.

The spelling of 87938924 in words is "eighty-seven million, nine hundred thirty-eight thousand, nine hundred twenty-four".