97394791 has 4 divisors (see below), whose sum is σ = 104886712. Its totient is φ = 89902872.

The previous prime is 97394783. The next prime is 97394797. The reversal of 97394791 is 19749379.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97394791 - 2³ = 97394783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97394797) 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 3 ways as a sum of consecutive naturals, for example, 3745941 + ... + 3745966.

It is an arithmetic number, because the mean of its divisors is an integer number (26221678).

Almost surely, 2^97394791 is an apocalyptic number.

97394791 is a deficient number, since it is larger than the sum of its proper divisors (7491921).

97394791 is a wasteful number, since it uses less digits than its factorization.

97394791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491920.

The product of its digits is 428652, while the sum is 49.

The square root of 97394791 is about 9868.8799263138. The cubic root of 97394791 is about 460.0925947816.

The spelling of 97394791 in words is "ninety-seven million, three hundred ninety-four thousand, seven hundred ninety-one".