972783 has 16 divisors (see below), whose sum is σ = 1647360. Its totient is φ = 555768.

The previous prime is 972721. The next prime is 972787. The reversal of 972783 is 387279.

It is not a de Polignac number, because 972783 - 2⁹ = 972271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2385 + ... + 2762.

It is an arithmetic number, because the mean of its divisors is an integer number (102960).

2⁹⁷²⁷⁸³ is an apocalyptic number.

972783 is a deficient number, since it is larger than the sum of its proper divisors (674577).

972783 is a wasteful number, since it uses less digits than its factorization.

972783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163 (or 5157 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 972783 is about 986.2976224244. The cubic root of 972783 is about 99.0844091861.

The spelling of 972783 in words is "nine hundred seventy-two thousand, seven hundred eighty-three".