82236458 has 4 divisors (see below), whose sum is σ = 123354690. Its totient is φ = 41118228.

The previous prime is 82236449. The next prime is 82236461. The reversal of 82236458 is 85463228.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76510009 + 5726449 = 8747^2 + 2393^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20559113 + ... + 20559116.

Almost surely, 2^82236458 is an apocalyptic number.

82236458 is a deficient number, since it is larger than the sum of its proper divisors (41118232).

82236458 is a wasteful number, since it uses less digits than its factorization.

82236458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41118231.

The product of its digits is 92160, while the sum is 38.

The square root of 82236458 is about 9068.4319482477. The cubic root of 82236458 is about 434.8653443255.

The spelling of 82236458 in words is "eighty-two million, two hundred thirty-six thousand, four hundred fifty-eight".