97372399 has 4 divisors (see below), whose sum is σ = 97395760. Its totient is φ = 97349040.

The previous prime is 97372393. The next prime is 97372423. The reversal of 97372399 is 99327379.

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 97372399 - 2¹³ = 97364207 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 (97372393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3534 + ... + 14395.

It is an arithmetic number, because the mean of its divisors is an integer number (24348940).

Almost surely, 2^97372399 is an apocalyptic number.

97372399 is a deficient number, since it is larger than the sum of its proper divisors (23361).

97372399 is a wasteful number, since it uses less digits than its factorization.

97372399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23360.

The product of its digits is 642978, while the sum is 49.

The square root of 97372399 is about 9867.7453858518. The cubic root of 97372399 is about 460.0573321736.

The spelling of 97372399 in words is "ninety-seven million, three hundred seventy-two thousand, three hundred ninety-nine".