86311946 has 64 divisors (see below), whose sum is σ = 164505600. Its totient is φ = 33130944.

The previous prime is 86311943. The next prime is 86311957. The reversal of 86311946 is 64911368.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (86311943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516755 + ... + 516921.

It is an arithmetic number, because the mean of its divisors is an integer number (2570400).

Almost surely, 2^86311946 is an apocalyptic number.

86311946 is a deficient number, since it is larger than the sum of its proper divisors (78193654).

86311946 is a wasteful number, since it uses less digits than its factorization.

86311946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291.

The product of its digits is 31104, while the sum is 38.

The square root of 86311946 is about 9290.4222724266. The cubic root of 86311946 is about 441.9335465159.

The spelling of 86311946 in words is "eighty-six million, three hundred eleven thousand, nine hundred forty-six".