92972321 has 8 divisors (see below), whose sum is σ = 102453120. Its totient is φ = 83824272.

The previous prime is 92972311. The next prime is 92972381. The reversal of 92972321 is 12327929.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 92972321 - 2¹⁰ = 92971297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92972311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82601 + ... + 83718.

It is an arithmetic number, because the mean of its divisors is an integer number (12806640).

Almost surely, 2^92972321 is an apocalyptic number.

It is an amenable number.

92972321 is a deficient number, since it is larger than the sum of its proper divisors (9480799).

92972321 is a wasteful number, since it uses less digits than its factorization.

92972321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166375.

The product of its digits is 13608, while the sum is 35.

The square root of 92972321 is about 9642.2155649000. The cubic root of 92972321 is about 453.0205374793.

The spelling of 92972321 in words is "ninety-two million, nine hundred seventy-two thousand, three hundred twenty-one".