972633383 has 4 divisors (see below), whose sum is σ = 995252808. Its totient is φ = 950013960.

The previous prime is 972633379. The next prime is 972633397. The reversal of 972633383 is 383336279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383336279 = 67 ⋅5721437.

It is a cyclic number.

It is not a de Polignac number, because 972633383 - 2² = 972633379 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 (972633323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11309648 + ... + 11309733.

It is an arithmetic number, because the mean of its divisors is an integer number (248813202).

Almost surely, 2^972633383 is an apocalyptic number.

972633383 is a deficient number, since it is larger than the sum of its proper divisors (22619425).

972633383 is a wasteful number, since it uses less digits than its factorization.

972633383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22619424.

The product of its digits is 489888, while the sum is 44.

The square root of 972633383 is about 31187.0707665853. The cubic root of 972633383 is about 990.7932909732.

The spelling of 972633383 in words is "nine hundred seventy-two million, six hundred thirty-three thousand, three hundred eighty-three".