87039484 has 18 divisors (see below), whose sum is σ = 177187920. Its totient is φ = 37302552.

The previous prime is 87039481. The next prime is 87039487. The reversal of 87039484 is 48493078.

It is an interprime number because it is at equal distance from previous prime (87039481) and next prime (87039487).

It is a self number, because there is not a number n which added to its sum of digits gives 87039484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87039481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221844 + ... + 222235.

Almost surely, 2^87039484 is an apocalyptic number.

It is an amenable number.

87039484 is an abundant number, since it is smaller than the sum of its proper divisors (90148436).

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

87039484 is a wasteful number, since it uses less digits than its factorization.

87039484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444097 (or 444088 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 87039484 is about 9329.4953775646. The cubic root of 87039484 is about 443.1717847838.

The spelling of 87039484 in words is "eighty-seven million, thirty-nine thousand, four hundred eighty-four".