97970390 has 16 divisors (see below), whose sum is σ = 201539232. Its totient is φ = 33589824.

The previous prime is 97970387. The next prime is 97970417. The reversal of 97970390 is 9307979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699719 + ... + 699858.

It is an arithmetic number, because the mean of its divisors is an integer number (12596202).

Almost surely, 2^97970390 is an apocalyptic number.

97970390 is an abundant number, since it is smaller than the sum of its proper divisors (103568842).

97970390 is a wasteful number, since it uses less digits than its factorization.

97970390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399591.

The product of its (nonzero) digits is 107163, while the sum is 44.

The square root of 97970390 is about 9897.9992927864. Note that the first 3 decimals coincide. The cubic root of 97970390 is about 460.9971908487.

The spelling of 97970390 in words is "ninety-seven million, nine hundred seventy thousand, three hundred ninety".