86940936 has 48 divisors (see below), whose sum is σ = 235907100. Its totient is φ = 28925952.

The previous prime is 86940913. The next prime is 86940937. The reversal of 86940936 is 63904968.

It can be written as a sum of positive squares in 2 ways, for example, as 86378436 + 562500 = 9294^2 + 750^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86940891 and 86940900.

It is not an unprimeable number, because it can be changed into a prime (86940937) 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, 61000 + ... + 62408.

Almost surely, 2^86940936 is an apocalyptic number.

It is an amenable number.

86940936 is an abundant number, since it is smaller than the sum of its proper divisors (148966164).

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

86940936 is a wasteful number, since it uses less digits than its factorization.

86940936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 2271 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 86940936 is about 9324.2123527942. The cubic root of 86940936 is about 443.0044653705.

The spelling of 86940936 in words is "eighty-six million, nine hundred forty thousand, nine hundred thirty-six".