82994994 has 48 divisors (see below), whose sum is σ = 188540352. Its totient is φ = 26335584.

The previous prime is 82994993. The next prime is 82994999. The reversal of 82994994 is 49949928.

It is a self number, because there is not a number n which added to its sum of digits gives 82994994.

It is not an unprimeable number, because it can be changed into a prime (82994993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126772 + ... + 127424.

It is an arithmetic number, because the mean of its divisors is an integer number (3927924).

Almost surely, 2^82994994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82994994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94270176).

82994994 is an abundant number, since it is smaller than the sum of its proper divisors (105545358).

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

82994994 is a wasteful number, since it uses less digits than its factorization.

82994994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 988 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 82994994 is about 9110.1588350588. The cubic root of 82994994 is about 436.1982972801.

The spelling of 82994994 in words is "eighty-two million, nine hundred ninety-four thousand, nine hundred ninety-four".