9020839 has 8 divisors (see below), whose sum is σ = 9555840. Its totient is φ = 8491896.

The previous prime is 9020831. The next prime is 9020857. The reversal of 9020839 is 9380209.

It is a happy number.

9020839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9020839 - 2³ = 9020831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9020839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9020831) 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, 1752 + ... + 4594.

It is an arithmetic number, because the mean of its divisors is an integer number (1194480).

Almost surely, 2^9020839 is an apocalyptic number.

9020839 is a deficient number, since it is larger than the sum of its proper divisors (535001).

9020839 is a wasteful number, since it uses less digits than its factorization.

9020839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 9020839 is about 3003.4711585098. The cubic root of 9020839 is about 208.1688025052.

The spelling of 9020839 in words is "nine million, twenty thousand, eight hundred thirty-nine".