97958240 has 48 divisors (see below), whose sum is σ = 237695472. Its totient is φ = 38121984.

The previous prime is 97958207. The next prime is 97958249. The reversal of 97958240 is 4285979.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 97958191 and 97958200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97958249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2354 + ... + 14193.

It is an arithmetic number, because the mean of its divisors is an integer number (4951989).

Almost surely, 2^97958240 is an apocalyptic number.

It is an amenable number.

97958240 is an abundant number, since it is smaller than the sum of its proper divisors (139737232).

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

97958240 is a wasteful number, since it uses less digits than its factorization.

97958240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16599 (or 16591 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 97958240 is about 9897.3855133565. The cubic root of 97958240 is about 460.9781328884.

The spelling of 97958240 in words is "ninety-seven million, nine hundred fifty-eight thousand, two hundred forty".