97297956 has 96 divisors (see below), whose sum is σ = 290304000. Its totient is φ = 27605664.

The previous prime is 97297931. The next prime is 97297957. The reversal of 97297956 is 65979279.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (97297957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134965 + ... + 135683.

It is an arithmetic number, because the mean of its divisors is an integer number (3024000).

Almost surely, 2^97297956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97297956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145152000).

97297956 is an abundant number, since it is smaller than the sum of its proper divisors (193006044).

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

97297956 is a wasteful number, since it uses less digits than its factorization.

97297956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 910 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The square root of 97297956 is about 9863.9726276992. The cubic root of 97297956 is about 459.9400615035.

The spelling of 97297956 in words is "ninety-seven million, two hundred ninety-seven thousand, nine hundred fifty-six".