972505198 has 16 divisors (see below), whose sum is σ = 1724640480. Its totient is φ = 402415776.

The previous prime is 972505133. The next prime is 972505211. The reversal of 972505198 is 891505279.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197261 + ... + 1198072.

It is an arithmetic number, because the mean of its divisors is an integer number (107790030).

Almost surely, 2^972505198 is an apocalyptic number.

972505198 is a deficient number, since it is larger than the sum of its proper divisors (752135282).

972505198 is a wasteful number, since it uses less digits than its factorization.

972505198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395371.

The product of its (nonzero) digits is 226800, while the sum is 46.

The square root of 972505198 is about 31185.0156004450. The cubic root of 972505198 is about 990.7497629526.

The spelling of 972505198 in words is "nine hundred seventy-two million, five hundred five thousand, one hundred ninety-eight".