9929401 has 4 divisors (see below), whose sum is σ = 9935872. Its totient is φ = 9922932.

The previous prime is 9929383. The next prime is 9929417. The reversal of 9929401 is 1049299.

9929401 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 a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1049299 = 151 ⋅6949.

It is a cyclic number.

It is not a de Polignac number, because 9929401 - 2⁵ = 9929369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9929201) 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, 520 + ... + 4486.

It is an arithmetic number, because the mean of its divisors is an integer number (2483968).

Almost surely, 2^9929401 is an apocalyptic number.

It is an amenable number.

9929401 is a deficient number, since it is larger than the sum of its proper divisors (6471).

9929401 is a wasteful number, since it uses less digits than its factorization.

9929401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 9929401 is about 3151.0952064322. The cubic root of 9929401 is about 214.9352680554.

The spelling of 9929401 in words is "nine million, nine hundred twenty-nine thousand, four hundred one".