82961394 has 32 divisors (see below), whose sum is σ = 181357056. Its totient is φ = 25186560.

The previous prime is 82961387. The next prime is 82961407. The reversal of 82961394 is 49316928.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9957 + ... + 16280.

It is an arithmetic number, because the mean of its divisors is an integer number (5667408).

Almost surely, 2^82961394 is an apocalyptic number.

82961394 is an abundant number, since it is smaller than the sum of its proper divisors (98395662).

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

82961394 is a wasteful number, since it uses less digits than its factorization.

82961394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26290.

The product of its digits is 93312, while the sum is 42.

The square root of 82961394 is about 9108.3145531981. The cubic root of 82961394 is about 436.1394252913.

The spelling of 82961394 in words is "eighty-two million, nine hundred sixty-one thousand, three hundred ninety-four".