97491456 has 60 divisors (see below), whose sum is σ = 281380242. Its totient is φ = 32495616.

The previous prime is 97491439. The next prime is 97491461. The reversal of 97491456 is 65419479.

It can be written as a sum of positive squares in only one way, i.e., 96825600 + 665856 = 9840^2 + 816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5971 + ... + 15186.

Almost surely, 2^97491456 is an apocalyptic number.

97491456 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

97491456 is an abundant number, since it is smaller than the sum of its proper divisors (183888786).

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

97491456 is a wasteful number, since it uses less digits than its factorization.

97491456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21181 (or 21162 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 97491456 is about 9873.7761773295. The cubic root of 97491456 is about 460.2447594729.

The spelling of 97491456 in words is "ninety-seven million, four hundred ninety-one thousand, four hundred fifty-six".