86944437 has 24 divisors (see below), whose sum is σ = 133005600. Its totient is φ = 54576288.

The previous prime is 86944427. The next prime is 86944469. The reversal of 86944437 is 73444968.

It is not a de Polignac number, because 86944437 - 2⁴ = 86944421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86944392 and 86944401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86944427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28114 + ... + 31052.

It is an arithmetic number, because the mean of its divisors is an integer number (5541900).

Almost surely, 2^86944437 is an apocalyptic number.

It is an amenable number.

86944437 is a deficient number, since it is larger than the sum of its proper divisors (46061163).

86944437 is a wasteful number, since it uses less digits than its factorization.

86944437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137 (or 3134 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 86944437 is about 9324.4000879413. The cubic root of 86944437 is about 443.0104116979.

It can be divided in two parts, 8694 and 4437, that added together give a palindrome (13131).

The spelling of 86944437 in words is "eighty-six million, nine hundred forty-four thousand, four hundred thirty-seven".