97649480 has 16 divisors (see below), whose sum is σ = 219711420. Its totient is φ = 39059776.

The previous prime is 97649449. The next prime is 97649483. The reversal of 97649480 is 8494679.

It can be written as a sum of positive squares in 2 ways, for example, as 82919236 + 14730244 = 9106^2 + 3838^2 .

It is not an unprimeable number, because it can be changed into a prime (97649483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220579 + ... + 1220658.

Almost surely, 2^97649480 is an apocalyptic number.

It is an amenable number.

97649480 is an abundant number, since it is smaller than the sum of its proper divisors (122061940).

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

97649480 is a wasteful number, since it uses less digits than its factorization.

97649480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441248 (or 2441244 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 97649480 is about 9881.7751441732. The cubic root of 97649480 is about 460.4932956363.

The spelling of 97649480 in words is "ninety-seven million, six hundred forty-nine thousand, four hundred eighty".