97393940 has 48 divisors (see below), whose sum is σ = 241296384. Its totient is φ = 32313600.

The previous prime is 97393931. The next prime is 97393949. The reversal of 97393940 is 4939379.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97393931) and next prime (97393949).

It is a junction number, because it is equal to n+sod(n) for n = 97393891 and 97393900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97393949) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6881 + ... + 15560.

It is an arithmetic number, because the mean of its divisors is an integer number (5027008).

Almost surely, 2^97393940 is an apocalyptic number.

It is an amenable number.

97393940 is an abundant number, since it is smaller than the sum of its proper divisors (143902444).

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

97393940 is a wasteful number, since it uses less digits than its factorization.

97393940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22488 (or 22486 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 97393940 is about 9868.8368108911. The cubic root of 97393940 is about 460.0912547375.

The spelling of 97393940 in words is "ninety-seven million, three hundred ninety-three thousand, nine hundred forty".