972398 has 8 divisors (see below), whose sum is σ = 1666992. Its totient is φ = 416736.

The previous prime is 972373. The next prime is 972403. The reversal of 972398 is 893279.

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

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 972398.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34715 + ... + 34742.

It is an arithmetic number, because the mean of its divisors is an integer number (208374).

2⁹⁷²³⁹⁸ is an apocalyptic number.

972398 is a deficient number, since it is larger than the sum of its proper divisors (694594).

972398 is a wasteful number, since it uses less digits than its factorization.

972398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69466.

The product of its digits is 27216, while the sum is 38.

The square root of 972398 is about 986.1024287568. The cubic root of 972398 is about 99.0713358590.

The spelling of 972398 in words is "nine hundred seventy-two thousand, three hundred ninety-eight".