86949512 has 32 divisors (see below), whose sum is σ = 175959000. Its totient is φ = 40041984.

The previous prime is 86949493. The next prime is 86949523. The reversal of 86949512 is 21594968.

It can be written as a sum of positive squares in 4 ways, for example, as 76282756 + 10666756 = 8734^2 + 3266^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82364 + ... + 83412.

Almost surely, 2^86949512 is an apocalyptic number.

It is an amenable number.

86949512 is an abundant number, since it is smaller than the sum of its proper divisors (89009488).

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

86949512 is a wasteful number, since it uses less digits than its factorization.

86949512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865 (or 1861 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 86949512 is about 9324.6722194402. The cubic root of 86949512 is about 443.0190311265.

The spelling of 86949512 in words is "eighty-six million, nine hundred forty-nine thousand, five hundred twelve".