97961860 has 24 divisors (see below), whose sum is σ = 212357376. Its totient is φ = 37920480.

The previous prime is 97961827. The next prime is 97961873. The reversal of 97961860 is 6816979.

It is a self number, because there is not a number n which added to its sum of digits gives 97961860.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78382 + ... + 79621.

It is an arithmetic number, because the mean of its divisors is an integer number (8848224).

Almost surely, 2^97961860 is an apocalyptic number.

It is an amenable number.

97961860 is an abundant number, since it is smaller than the sum of its proper divisors (114395516).

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

97961860 is a wasteful number, since it uses less digits than its factorization.

97961860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158043 (or 158041 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 97961860 is about 9897.5683882457. The cubic root of 97961860 is about 460.9838112274.

The spelling of 97961860 in words is "ninety-seven million, nine hundred sixty-one thousand, eight hundred sixty".