86389923 has 8 divisors (see below), whose sum is σ = 115245136. Its totient is φ = 57564000.

The previous prime is 86389913. The next prime is 86389949. The reversal of 86389923 is 32998368.

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

It is not a de Polignac number, because 86389923 - 2⁴ = 86389907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86389913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873 + ... + 13173.

It is an arithmetic number, because the mean of its divisors is an integer number (14405642).

Almost surely, 2^86389923 is an apocalyptic number.

86389923 is a deficient number, since it is larger than the sum of its proper divisors (28855213).

86389923 is a wasteful number, since it uses less digits than its factorization.

86389923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14645.

The product of its digits is 559872, while the sum is 48.

The square root of 86389923 is about 9294.6179587974. The cubic root of 86389923 is about 442.0665921383.

The spelling of 86389923 in words is "eighty-six million, three hundred eighty-nine thousand, nine hundred twenty-three".