9971974 has 16 divisors (see below), whose sum is σ = 15246000. Its totient is φ = 4891104.

The previous prime is 9971959. The next prime is 9971989. The reversal of 9971974 is 4791799.

It is an interprime number because it is at equal distance from previous prime (9971959) and next prime (9971989).

Its product of digits (142884) is a multiple of the sum of its prime divisors (567).

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, 32329 + ... + 32635.

It is an arithmetic number, because the mean of its divisors is an integer number (952875).

Almost surely, 2^9971974 is an apocalyptic number.

9971974 is a deficient number, since it is larger than the sum of its proper divisors (5274026).

9971974 is a wasteful number, since it uses less digits than its factorization.

9971974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its digits is 142884, while the sum is 46.

The square root of 9971974 is about 3157.8432513347. The cubic root of 9971974 is about 215.2420133972.

The spelling of 9971974 in words is "nine million, nine hundred seventy-one thousand, nine hundred seventy-four".