972489950 has 24 divisors (see below), whose sum is σ = 1826402448. Its totient is φ = 385217280.

The previous prime is 972489943. The next prime is 972489961. The reversal of 972489950 is 59984279.

It is a junction number, because it is equal to n+sod(n) for n = 972489892 and 972489901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89267 + ... + 99566.

It is an arithmetic number, because the mean of its divisors is an integer number (76100102).

Almost surely, 2^972489950 is an apocalyptic number.

972489950 is a deficient number, since it is larger than the sum of its proper divisors (853912498).

972489950 is a wasteful number, since it uses less digits than its factorization.

972489950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188948 (or 188943 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 972489950 is about 31184.7711230979. The cubic root of 972489950 is about 990.7445849061.

The spelling of 972489950 in words is "nine hundred seventy-two million, four hundred eighty-nine thousand, nine hundred fifty".