9722949 has 4 divisors (see below), whose sum is σ = 12963936. Its totient is φ = 6481964.

The previous prime is 9722939. The next prime is 9722957. The reversal of 9722949 is 9492279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9722949 - 2⁷ = 9722821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9722949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722939) 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, 1620489 + ... + 1620494.

It is an arithmetic number, because the mean of its divisors is an integer number (3240984).

Almost surely, 2^9722949 is an apocalyptic number.

It is an amenable number.

9722949 is a deficient number, since it is larger than the sum of its proper divisors (3240987).

9722949 is a wasteful number, since it uses less digits than its factorization.

9722949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240986.

The product of its digits is 81648, while the sum is 42.

The square root of 9722949 is about 3118.1643638526. The cubic root of 9722949 is about 213.4351789643.

The spelling of 9722949 in words is "nine million, seven hundred twenty-two thousand, nine hundred forty-nine".