82489700 has 36 divisors (see below), whose sum is σ = 182821632. Its totient is φ = 32292000.

The previous prime is 82489699. The next prime is 82489703. The reversal of 82489700 is 798428.

It is not an unprimeable number, because it can be changed into a prime (82489703) 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 11 ways as a sum of consecutive naturals, for example, 4076 + ... + 13475.

Almost surely, 2^82489700 is an apocalyptic number.

It is an amenable number.

82489700 is an abundant number, since it is smaller than the sum of its proper divisors (100331932).

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

82489700 is a wasteful number, since it uses less digits than its factorization.

82489700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17612 (or 17605 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 82489700 is about 9082.3840482552. The cubic root of 82489700 is about 435.3112670667.

The spelling of 82489700 in words is "eighty-two million, four hundred eighty-nine thousand, seven hundred".