9974923 has 4 divisors (see below), whose sum is σ = 11399920. Its totient is φ = 8549928.

The previous prime is 9974911. The next prime is 9974929. The reversal of 9974923 is 3294799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3294799 = 97 ⋅33967.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9974923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9974923.

It is not an unprimeable number, because it can be changed into a prime (9974929) 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, 712488 + ... + 712501.

It is an arithmetic number, because the mean of its divisors is an integer number (2849980).

Almost surely, 2^9974923 is an apocalyptic number.

9974923 is a deficient number, since it is larger than the sum of its proper divisors (1424997).

9974923 is a wasteful number, since it uses less digits than its factorization.

9974923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424996.

The product of its digits is 122472, while the sum is 43.

The square root of 9974923 is about 3158.3101494312. The cubic root of 9974923 is about 215.2632290608.

The spelling of 9974923 in words is "nine million, nine hundred seventy-four thousand, nine hundred twenty-three".