87291484 has 12 divisors (see below), whose sum is σ = 174583024. Its totient is φ = 37410624.

The previous prime is 87291469. The next prime is 87291493. The reversal of 87291484 is 48419278.

87291484 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 87291484.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558749 + ... + 1558804.

Almost surely, 2^87291484 is an apocalyptic number.

It is an amenable number.

87291484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87291484 is a wasteful number, since it uses less digits than its factorization.

87291484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117564 (or 3117562 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 87291484 is about 9342.9911698556. The cubic root of 87291484 is about 443.5990685800.

The spelling of 87291484 in words is "eighty-seven million, two hundred ninety-one thousand, four hundred eighty-four".