82506398 has 16 divisors (see below), whose sum is σ = 140295120. Its totient is φ = 36075456.

The previous prime is 82506383. The next prime is 82506401. The reversal of 82506398 is 89360528.

It is a congruent number.

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, 83015 + ... + 84002.

It is an arithmetic number, because the mean of its divisors is an integer number (8768445).

Almost surely, 2^82506398 is an apocalyptic number.

82506398 is a deficient number, since it is larger than the sum of its proper divisors (57788722).

82506398 is a wasteful number, since it uses less digits than its factorization.

82506398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167051.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 82506398 is about 9083.3032537728. The cubic root of 82506398 is about 435.3406377522.

The spelling of 82506398 in words is "eighty-two million, five hundred six thousand, three hundred ninety-eight".