87932418 has 64 divisors (see below), whose sum is σ = 213857280. Its totient is φ = 23544000.

The previous prime is 87932407. The next prime is 87932443. The reversal of 87932418 is 81423978.

It is a super-2 number, since 2×87932418² = 15464220270653448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 87932418.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80053 + ... + 81143.

It is an arithmetic number, because the mean of its divisors is an integer number (3341520).

Almost surely, 2^87932418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87932418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106928640).

87932418 is an abundant number, since it is smaller than the sum of its proper divisors (125924862).

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

87932418 is a wasteful number, since it uses less digits than its factorization.

87932418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its digits is 96768, while the sum is 42.

The square root of 87932418 is about 9377.2286950890. The cubic root of 87932418 is about 444.6821245420.

It can be divided in two parts, 8793 and 2418, that added together give a palindrome (11211).

The spelling of 87932418 in words is "eighty-seven million, nine hundred thirty-two thousand, four hundred eighteen".