97902642 has 8 divisors (see below), whose sum is σ = 195805296. Its totient is φ = 32634212.

The previous prime is 97902641. The next prime is 97902647. The reversal of 97902642 is 24620979.

It is a sphenic number, since it is the product of 3 distinct primes.

97902642 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 97902642.

It is not an unprimeable number, because it can be changed into a prime (97902641) 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 3 ways as a sum of consecutive naturals, for example, 8158548 + ... + 8158559.

It is an arithmetic number, because the mean of its divisors is an integer number (24475662).

Almost surely, 2^97902642 is an apocalyptic number.

97902642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

97902642 is a wasteful number, since it uses less digits than its factorization.

97902642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16317112.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 97902642 is about 9894.5763931560. The cubic root of 97902642 is about 460.8909041788.

The spelling of 97902642 in words is "ninety-seven million, nine hundred two thousand, six hundred forty-two".