9939746 has 4 divisors (see below), whose sum is σ = 14909622. Its totient is φ = 4969872.

The previous prime is 9939737. The next prime is 9939757. The reversal of 9939746 is 6479399.

9939746 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 can be written as a sum of positive squares in only one way, i.e., 9369721 + 570025 = 3061^2 + 755^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9939746.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2484935 + ... + 2484938.

Almost surely, 2^9939746 is an apocalyptic number.

9939746 is a deficient number, since it is larger than the sum of its proper divisors (4969876).

9939746 is a wasteful number, since it uses less digits than its factorization.

9939746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969875.

The product of its digits is 367416, while the sum is 47.

The square root of 9939746 is about 3152.7362718756. The cubic root of 9939746 is about 215.0098859705.

The spelling of 9939746 in words is "nine million, nine hundred thirty-nine thousand, seven hundred forty-six".