972388 has 12 divisors (see below), whose sum is σ = 1709680. Its totient is φ = 483912.

The previous prime is 972373. The next prime is 972403. The reversal of 972388 is 883279.

It is an interprime number because it is at equal distance from previous prime (972373) and next prime (972403).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 16.

It is an unprimeable number.

972388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 703 + ... + 1561.

2⁹⁷²³⁸⁸ is an apocalyptic number.

It is an amenable number.

972388 is a deficient number, since it is larger than the sum of its proper divisors (737292).

972388 is a wasteful number, since it uses less digits than its factorization.

972388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1144 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 972388 is about 986.0973582766. The cubic root of 972388 is about 99.0709962461.

It can be divided in two parts, 97 and 2388, that added together give a triangular number (2485 = T₇₀).

The spelling of 972388 in words is "nine hundred seventy-two thousand, three hundred eighty-eight".