82536490 has 16 divisors (see below), whose sum is σ = 148884480. Its totient is φ = 32943760.

The previous prime is 82536481. The next prime is 82536491. The reversal of 82536490 is 9463528.

It is not an unprimeable number, because it can be changed into a prime (82536491) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3826 + ... + 13405.

It is an arithmetic number, because the mean of its divisors is an integer number (9305280).

Almost surely, 2^82536490 is an apocalyptic number.

82536490 is a deficient number, since it is larger than the sum of its proper divisors (66347990).

82536490 is a wasteful number, since it uses less digits than its factorization.

82536490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17717.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 82536490 is about 9084.9595486166. The cubic root of 82536490 is about 435.3935576003.

The spelling of 82536490 in words is "eighty-two million, five hundred thirty-six thousand, four hundred ninety".