9013939 has 4 divisors (see below), whose sum is σ = 9833400. Its totient is φ = 8194480.

The previous prime is 9013937. The next prime is 9013957. The reversal of 9013939 is 9393109.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9013939 - 2¹ = 9013937 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (9013937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409714 + ... + 409735.

It is an arithmetic number, because the mean of its divisors is an integer number (2458350).

Almost surely, 2^9013939 is an apocalyptic number.

9013939 is a deficient number, since it is larger than the sum of its proper divisors (819461).

9013939 is a wasteful number, since it uses less digits than its factorization.

9013939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819460.

The product of its (nonzero) digits is 6561, while the sum is 34.

The square root of 9013939 is about 3002.3222678453. The cubic root of 9013939 is about 208.1157131671.

The spelling of 9013939 in words is "nine million, thirteen thousand, nine hundred thirty-nine".