82917644 has 12 divisors (see below), whose sum is σ = 145758144. Its totient is φ = 41272464.

The previous prime is 82917643. The next prime is 82917649. The reversal of 82917644 is 44671928.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (82917643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45587 + ... + 47370.

It is an arithmetic number, because the mean of its divisors is an integer number (12146512).

Almost surely, 2^82917644 is an apocalyptic number.

It is an amenable number.

82917644 is a deficient number, since it is larger than the sum of its proper divisors (62840500).

82917644 is a wasteful number, since it uses less digits than its factorization.

82917644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93184 (or 93182 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 82917644 is about 9105.9125846891. The cubic root of 82917644 is about 436.0627452273.

The spelling of 82917644 in words is "eighty-two million, nine hundred seventeen thousand, six hundred forty-four".