82631402 has 16 divisors (see below), whose sum is σ = 141772032. Its totient is φ = 35383920.

The previous prime is 82631371. The next prime is 82631431. The reversal of 82631402 is 20413628.

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, 27452 + ... + 30312.

It is an arithmetic number, because the mean of its divisors is an integer number (8860752).

Almost surely, 2^82631402 is an apocalyptic number.

82631402 is a deficient number, since it is larger than the sum of its proper divisors (59140630).

82631402 is a wasteful number, since it uses less digits than its factorization.

82631402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 82631402 is about 9090.1816263483. The cubic root of 82631402 is about 435.5603858051.

The spelling of 82631402 in words is "eighty-two million, six hundred thirty-one thousand, four hundred two".