974973986 has 8 divisors (see below), whose sum is σ = 1671384000. Its totient is φ = 417845988.

The previous prime is 974973943. The next prime is 974974003. The reversal of 974973986 is 689379479.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34820486 + ... + 34820513.

It is an arithmetic number, because the mean of its divisors is an integer number (208923000).

Almost surely, 2^974973986 is an apocalyptic number.

974973986 is a deficient number, since it is larger than the sum of its proper divisors (696410014).

974973986 is a wasteful number, since it uses less digits than its factorization.

974973986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69641008.

The product of its digits is 20575296, while the sum is 62.

The square root of 974973986 is about 31224.5734318341. The cubic root of 974973986 is about 991.5874223270.

The spelling of 974973986 in words is "nine hundred seventy-four million, nine hundred seventy-three thousand, nine hundred eighty-six".