87905394 has 48 divisors (see below), whose sum is σ = 196245504. Its totient is φ = 28420800.

The previous prime is 87905387. The next prime is 87905401. The reversal of 87905394 is 49350978.

It is an interprime number because it is at equal distance from previous prime (87905387) and next prime (87905401).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229327 + ... + 229709.

It is an arithmetic number, because the mean of its divisors is an integer number (4088448).

Almost surely, 2^87905394 is an apocalyptic number.

87905394 is an abundant number, since it is smaller than the sum of its proper divisors (108340110).

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

87905394 is a wasteful number, since it uses less digits than its factorization.

87905394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 87905394 is about 9375.7876469127. The cubic root of 87905394 is about 444.6365656106.

The spelling of 87905394 in words is "eighty-seven million, nine hundred five thousand, three hundred ninety-four".