87924738 has 16 divisors (see below), whose sum is σ = 191835936. Its totient is φ = 26643840.

The previous prime is 87924737. The next prime is 87924743. The reversal of 87924738 is 83742978.

It is not an unprimeable number, because it can be changed into a prime (87924737) 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, 666031 + ... + 666162.

It is an arithmetic number, because the mean of its divisors is an integer number (11989746).

Almost surely, 2^87924738 is an apocalyptic number.

87924738 is an abundant number, since it is smaller than the sum of its proper divisors (103911198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87924738 is a wasteful number, since it uses less digits than its factorization.

87924738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332209.

The product of its digits is 677376, while the sum is 48.

The square root of 87924738 is about 9376.8191834971. The cubic root of 87924738 is about 444.6691780155.

It can be divided in two parts, 8792 and 4738, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 87924738 in words is "eighty-seven million, nine hundred twenty-four thousand, seven hundred thirty-eight".