9900974 has 4 divisors (see below), whose sum is σ = 14851464. Its totient is φ = 4950486.

The previous prime is 9900959. The next prime is 9901007. The reversal of 9900974 is 4790099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4790099 = 47 ⋅101917.

It is a super-2 number, since 2×9900974² = 196058572297352, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2475242 + ... + 2475245.

It is an arithmetic number, because the mean of its divisors is an integer number (3712866).

Almost surely, 2^9900974 is an apocalyptic number.

9900974 is a deficient number, since it is larger than the sum of its proper divisors (4950490).

9900974 is a wasteful number, since it uses less digits than its factorization.

9900974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950489.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 9900974 is about 3146.5813194640. The cubic root of 9900974 is about 214.7299584259.

The spelling of 9900974 in words is "nine million, nine hundred thousand, nine hundred seventy-four".