86645038 has 8 divisors (see below), whose sum is σ = 130089960. Its totient is φ = 43281720.

The previous prime is 86645033. The next prime is 86645057. The reversal of 86645038 is 83054668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×86645038² = 15014725220042888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86645033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17673 + ... + 22036.

It is an arithmetic number, because the mean of its divisors is an integer number (16261245).

Almost surely, 2^86645038 is an apocalyptic number.

86645038 is a deficient number, since it is larger than the sum of its proper divisors (43444922).

86645038 is a wasteful number, since it uses less digits than its factorization.

86645038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40802.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 86645038 is about 9308.3316442851. The cubic root of 86645038 is about 442.5013148588.

The spelling of 86645038 in words is "eighty-six million, six hundred forty-five thousand, thirty-eight".