82109934 has 12 divisors (see below), whose sum is σ = 177904896. Its totient is φ = 27369972.

The previous prime is 82109897. The next prime is 82109939. The reversal of 82109934 is 43990128.

It is a super-2 number, since 2×82109934² = 13484082522968712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82109939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2280814 + ... + 2280849.

It is an arithmetic number, because the mean of its divisors is an integer number (14825408).

Almost surely, 2^82109934 is an apocalyptic number.

82109934 is an abundant number, since it is smaller than the sum of its proper divisors (95794962).

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

82109934 is a wasteful number, since it uses less digits than its factorization.

82109934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561671 (or 4561668 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 82109934 is about 9061.4531947144. The cubic root of 82109934 is about 434.6422107520.

The spelling of 82109934 in words is "eighty-two million, one hundred nine thousand, nine hundred thirty-four".