972617398 has 16 divisors (see below), whose sum is σ = 1480491360. Its totient is φ = 479134656.

The previous prime is 972617383. The next prime is 972617411. The reversal of 972617398 is 893716279.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158911 + ... + 164917.

It is an arithmetic number, because the mean of its divisors is an integer number (92530710).

Almost surely, 2^972617398 is an apocalyptic number.

972617398 is a deficient number, since it is larger than the sum of its proper divisors (507873962).

972617398 is a wasteful number, since it uses less digits than its factorization.

972617398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7191.

The product of its digits is 1143072, while the sum is 52.

The square root of 972617398 is about 31186.8144894601. The cubic root of 972617398 is about 990.7878631255.

The spelling of 972617398 in words is "nine hundred seventy-two million, six hundred seventeen thousand, three hundred ninety-eight".