97989510 has 32 divisors (see below), whose sum is σ = 238689792. Its totient is φ = 25740000.

The previous prime is 97989503. The next prime is 97989523. The reversal of 97989510 is 1598979.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 97989510.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22366 + ... + 26385.

It is an arithmetic number, because the mean of its divisors is an integer number (7459056).

Almost surely, 2^97989510 is an apocalyptic number.

97989510 is an abundant number, since it is smaller than the sum of its proper divisors (140700282).

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

97989510 is a wasteful number, since it uses less digits than its factorization.

97989510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48828.

The product of its (nonzero) digits is 204120, while the sum is 48.

The square root of 97989510 is about 9898.9650974231. The cubic root of 97989510 is about 461.0271784567.

The spelling of 97989510 in words is "ninety-seven million, nine hundred eighty-nine thousand, five hundred ten".