9974491 has 4 divisors (see below), whose sum is σ = 10123432. Its totient is φ = 9825552.

The previous prime is 9974473. The next prime is 9974509. The reversal of 9974491 is 1944799.

9974491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (9974473) and next prime (9974509).

It is a cyclic number.

It is not a de Polignac number, because 9974491 - 2¹⁷ = 9843419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9974401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74370 + ... + 74503.

It is an arithmetic number, because the mean of its divisors is an integer number (2530858).

Almost surely, 2^9974491 is an apocalyptic number.

9974491 is a deficient number, since it is larger than the sum of its proper divisors (148941).

9974491 is a wasteful number, since it uses less digits than its factorization.

9974491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148940.

The product of its digits is 81648, while the sum is 43.

The square root of 9974491 is about 3158.2417576873. The cubic root of 9974491 is about 215.2601214326.

The spelling of 9974491 in words is "nine million, nine hundred seventy-four thousand, four hundred ninety-one".