86944936 has 32 divisors (see below), whose sum is σ = 185892840. Its totient is φ = 37767168.

The previous prime is 86944933. The next prime is 86944939. The reversal of 86944936 is 63944968.

It is an interprime number because it is at equal distance from previous prime (86944933) and next prime (86944939).

It can be written as a sum of positive squares in 4 ways, for example, as 59382436 + 27562500 = 7706^2 + 5250^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86944936.

It is not an unprimeable number, because it can be changed into a prime (86944933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22821 + ... + 26356.

Almost surely, 2^86944936 is an apocalyptic number.

It is an amenable number.

86944936 is an abundant number, since it is smaller than the sum of its proper divisors (98947904).

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

86944936 is a wasteful number, since it uses less digits than its factorization.

86944936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49213 (or 49209 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 49.

The square root of 86944936 is about 9324.4268456565. The cubic root of 86944936 is about 443.0112592192.

The spelling of 86944936 in words is "eighty-six million, nine hundred forty-four thousand, nine hundred thirty-six".