86514444 has 36 divisors (see below), whose sum is σ = 222820416. Its totient is φ = 28293408.

The previous prime is 86514443. The next prime is 86514481. The reversal of 86514444 is 44441568.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 86514399 and 86514408.

It is not an unprimeable number, because it can be changed into a prime (86514443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20764 + ... + 24579.

It is an arithmetic number, because the mean of its divisors is an integer number (6189456).

Almost surely, 2^86514444 is an apocalyptic number.

It is an amenable number.

86514444 is an abundant number, since it is smaller than the sum of its proper divisors (136305972).

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

86514444 is a wasteful number, since it uses less digits than its factorization.

86514444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45406 (or 45401 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 86514444 is about 9301.3141007064. The cubic root of 86514444 is about 442.2788859863.

The spelling of 86514444 in words is "eighty-six million, five hundred fourteen thousand, four hundred forty-four".