97990582 has 16 divisors (see below), whose sum is σ = 152363520. Its totient is φ = 47234088.

The previous prime is 97990577. The next prime is 97990589. The reversal of 97990582 is 28509979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97990589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482 + ... + 14077.

It is an arithmetic number, because the mean of its divisors is an integer number (9522720).

Almost surely, 2^97990582 is an apocalyptic number.

97990582 is a deficient number, since it is larger than the sum of its proper divisors (54372938).

97990582 is a wasteful number, since it uses less digits than its factorization.

97990582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15675.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 97990582 is about 9899.0192443494. The cubic root of 97990582 is about 461.0288596548.

The spelling of 97990582 in words is "ninety-seven million, nine hundred ninety thousand, five hundred eighty-two".