86924986 has 4 divisors (see below), whose sum is σ = 130387482. Its totient is φ = 43462492.

The previous prime is 86924963. The next prime is 86924989. The reversal of 86924986 is 68942968.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86843761 + 81225 = 9319^2 + 285^2 .

It is a super-2 number, since 2×86924986² = 15111906382200392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86924989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21731245 + ... + 21731248.

Almost surely, 2^86924986 is an apocalyptic number.

86924986 is a deficient number, since it is larger than the sum of its proper divisors (43462496).

86924986 is a wasteful number, since it uses less digits than its factorization.

86924986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43462495.

The product of its digits is 1492992, while the sum is 52.

The square root of 86924986 is about 9323.3570134367. The cubic root of 86924986 is about 442.9773728267.

The spelling of 86924986 in words is "eighty-six million, nine hundred twenty-four thousand, nine hundred eighty-six".