97652440 has 16 divisors (see below), whose sum is σ = 219718080. Its totient is φ = 39060960.

The previous prime is 97652413. The next prime is 97652473. The reversal of 97652440 is 4425679.

It is a self number, because there is not a number n which added to its sum of digits gives 97652440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220616 + ... + 1220695.

It is an arithmetic number, because the mean of its divisors is an integer number (13732380).

Almost surely, 2^97652440 is an apocalyptic number.

It is an amenable number.

97652440 is an abundant number, since it is smaller than the sum of its proper divisors (122065640).

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

97652440 is a wasteful number, since it uses less digits than its factorization.

97652440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441322 (or 2441318 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 97652440 is about 9881.9249136998. The cubic root of 97652440 is about 460.4979484906.

The spelling of 97652440 in words is "ninety-seven million, six hundred fifty-two thousand, four hundred forty".