9721941 has 8 divisors (see below), whose sum is σ = 13380864. Its totient is φ = 6272160.

The previous prime is 9721937. The next prime is 9721951. The reversal of 9721941 is 1491279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9721941 - 2² = 9721937 is a prime.

It is a super-2 number, since 2×9721941² = 189032273614962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9721951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52176 + ... + 52361.

It is an arithmetic number, because the mean of its divisors is an integer number (1672608).

Almost surely, 2^9721941 is an apocalyptic number.

It is an amenable number.

9721941 is a deficient number, since it is larger than the sum of its proper divisors (3658923).

9721941 is a wasteful number, since it uses less digits than its factorization.

9721941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104571.

The product of its digits is 4536, while the sum is 33.

The square root of 9721941 is about 3118.0027261053. The cubic root of 9721941 is about 213.4278029410.

The spelling of 9721941 in words is "nine million, seven hundred twenty-one thousand, nine hundred forty-one".