86993532 has 18 divisors (see below), whose sum is σ = 219900408. Its totient is φ = 28997832.

The previous prime is 86993519. The next prime is 86993551. The reversal of 86993532 is 23539968.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1208208 + ... + 1208279.

Almost surely, 2^86993532 is an apocalyptic number.

It is an amenable number.

86993532 is an abundant number, since it is smaller than the sum of its proper divisors (132906876).

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

86993532 is a wasteful number, since it uses less digits than its factorization.

86993532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416497 (or 2416492 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 86993532 is about 9327.0323254506. The cubic root of 86993532 is about 443.0937810482.

The spelling of 86993532 in words is "eighty-six million, nine hundred ninety-three thousand, five hundred thirty-two".