9974638 has 4 divisors (see below), whose sum is σ = 14961960. Its totient is φ = 4987318.

The previous prime is 9974611. The next prime is 9974651. The reversal of 9974638 is 8364799.

9974638 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, and also an emirpimes, since its reverse is a distinct semiprime: 8364799 = 17 ⋅492047.

It is a d-powerful number, because it can be written as 9⁴ + 9⁴ + 7⁸ + 4¹¹ + 6³ + 3⁷ + 8 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2493658 + ... + 2493661.

It is an arithmetic number, because the mean of its divisors is an integer number (3740490).

Almost surely, 2^9974638 is an apocalyptic number.

9974638 is a deficient number, since it is larger than the sum of its proper divisors (4987322).

9974638 is a wasteful number, since it uses less digits than its factorization.

9974638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987321.

The product of its digits is 326592, while the sum is 46.

The square root of 9974638 is about 3158.2650300442. The cubic root of 9974638 is about 215.2611788995.

The spelling of 9974638 in words is "nine million, nine hundred seventy-four thousand, six hundred thirty-eight".