9934021 has 4 divisors (see below), whose sum is σ = 10053792. Its totient is φ = 9814252.

The previous prime is 9934009. The next prime is 9934031. The reversal of 9934021 is 1204399.

It is a happy number.

9934021 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.

It is not a de Polignac number, because 9934021 - 2⁹ = 9933509 is a prime.

It is a Duffinian number.

9934021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9934031) 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, 59761 + ... + 59926.

It is an arithmetic number, because the mean of its divisors is an integer number (2513448).

Almost surely, 2^9934021 is an apocalyptic number.

It is an amenable number.

9934021 is a deficient number, since it is larger than the sum of its proper divisors (119771).

9934021 is a wasteful number, since it uses less digits than its factorization.

9934021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119770.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 9934021 is about 3151.8281996327. The cubic root of 9934021 is about 214.9685982622.

The spelling of 9934021 in words is "nine million, nine hundred thirty-four thousand, twenty-one".