87498040 has 64 divisors (see below), whose sum is σ = 236851200. Its totient is φ = 28418688.

The previous prime is 87498029. The next prime is 87498043. The reversal of 87498040 is 4089478.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 87497984 and 87498002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87498043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2904 + ... + 13543.

It is an arithmetic number, because the mean of its divisors is an integer number (3700800).

Almost surely, 2^87498040 is an apocalyptic number.

It is an amenable number.

87498040 is an abundant number, since it is smaller than the sum of its proper divisors (149353160).

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

87498040 is a wasteful number, since it uses less digits than its factorization.

87498040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16484 (or 16480 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 87498040 is about 9354.0386999413. The cubic root of 87498040 is about 443.9486860049.

The spelling of 87498040 in words is "eighty-seven million, four hundred ninety-eight thousand, forty".