97535640 has 64 divisors (see below), whose sum is σ = 305337600. Its totient is φ = 24877952.

The previous prime is 97535639. The next prime is 97535687. The reversal of 97535640 is 4653579.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14910 + ... + 20429.

It is an arithmetic number, because the mean of its divisors is an integer number (4770900).

Almost surely, 2^97535640 is an apocalyptic number.

It is an amenable number.

97535640 is an abundant number, since it is smaller than the sum of its proper divisors (207801960).

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

97535640 is a wasteful number, since it uses less digits than its factorization.

97535640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35376 (or 35372 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 97535640 is about 9876.0133657261. The cubic root of 97535640 is about 460.3142779859.

The spelling of 97535640 in words is "ninety-seven million, five hundred thirty-five thousand, six hundred forty".