87404684 has 24 divisors (see below), whose sum is σ = 162515808. Its totient is φ = 40989440.

The previous prime is 87404671. The next prime is 87404687. The reversal of 87404684 is 48640478.

It is not an unprimeable number, because it can be changed into a prime (87404687) 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, 19082 + ... + 23214.

It is an arithmetic number, because the mean of its divisors is an integer number (6771492).

Almost surely, 2^87404684 is an apocalyptic number.

It is an amenable number.

87404684 is a deficient number, since it is larger than the sum of its proper divisors (75111124).

87404684 is a wasteful number, since it uses less digits than its factorization.

87404684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465 (or 4463 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 87404684 is about 9349.0472241828. The cubic root of 87404684 is about 443.7907395249.

It can be divided in two parts, 87404 and 684, that added together give a palindrome (88088).

The spelling of 87404684 in words is "eighty-seven million, four hundred four thousand, six hundred eighty-four".