86744244 has 24 divisors (see below), whose sum is σ = 207111520. Its totient is φ = 28242144.

The previous prime is 86744239. The next prime is 86744267. The reversal of 86744244 is 44244768.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83539 + ... + 84570.

Almost surely, 2^86744244 is an apocalyptic number.

It is an amenable number.

86744244 is an abundant number, since it is smaller than the sum of its proper divisors (120367276).

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

86744244 is a wasteful number, since it uses less digits than its factorization.

86744244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168159 (or 168157 counting only the distinct ones).

The product of its digits is 172032, while the sum is 39.

The square root of 86744244 is about 9313.6590017028. The cubic root of 86744244 is about 442.6701340735.

The spelling of 86744244 in words is "eighty-six million, seven hundred forty-four thousand, two hundred forty-four".