972438 has 32 divisors (see below), whose sum is σ = 2056320. Its totient is φ = 306240.

The previous prime is 972431. The next prime is 972443. The reversal of 972438 is 834279.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 972399 and 972408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972431) 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, 14481 + ... + 14547.

It is an arithmetic number, because the mean of its divisors is an integer number (64260).

2⁹⁷²⁴³⁸ is an apocalyptic number.

972438 is an abundant number, since it is smaller than the sum of its proper divisors (1083882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

972438 is a wasteful number, since it uses less digits than its factorization.

972438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172.

The product of its digits is 12096, while the sum is 33.

The square root of 972438 is about 986.1227104169. The cubic root of 972438 is about 99.0726942874.

The spelling of 972438 in words is "nine hundred seventy-two thousand, four hundred thirty-eight".