97409700 has 54 divisors (see below), whose sum is σ = 305328114. Its totient is φ = 25975680.

The previous prime is 97409693. The next prime is 97409701. The reversal of 97409700 is 790479.

It can be written as a sum of positive squares in 3 ways, for example, as 12916836 + 84492864 = 3594^2 + 9192^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (97409701) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53217 + ... + 55016.

Almost surely, 2^97409700 is an apocalyptic number.

97409700 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

97409700 is an abundant number, since it is smaller than the sum of its proper divisors (207918414).

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

97409700 is a wasteful number, since it uses less digits than its factorization.

97409700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108253 (or 108243 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 97409700 is about 9869.6352516190. The cubic root of 97409700 is about 460.1160702688.

The spelling of 97409700 in words is "ninety-seven million, four hundred nine thousand, seven hundred".