86663490 has 32 divisors (see below), whose sum is σ = 212832576. Its totient is φ = 22572480.

The previous prime is 86663477. The next prime is 86663519. The reversal of 86663490 is 9436668.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32301 + ... + 34880.

It is an arithmetic number, because the mean of its divisors is an integer number (6651018).

Almost surely, 2^86663490 is an apocalyptic number.

86663490 is an abundant number, since it is smaller than the sum of its proper divisors (126169086).

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

86663490 is a wasteful number, since it uses less digits than its factorization.

86663490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67234.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 86663490 is about 9309.3227465804. The cubic root of 86663490 is about 442.5327244463.

It can be divided in two parts, 86663 and 490, that added together give a triangular number (87153 = T₄₁₇).

The spelling of 86663490 in words is "eighty-six million, six hundred sixty-three thousand, four hundred ninety".