9020879 has 4 divisors (see below), whose sum is σ = 10309584. Its totient is φ = 7732176.

The previous prime is 9020873. The next prime is 9020881. The reversal of 9020879 is 9780209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9780209 = 173 ⋅56533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9020879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9020873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644342 + ... + 644355.

It is an arithmetic number, because the mean of its divisors is an integer number (2577396).

Almost surely, 2^9020879 is an apocalyptic number.

9020879 is a deficient number, since it is larger than the sum of its proper divisors (1288705).

9020879 is a wasteful number, since it uses less digits than its factorization.

9020879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288704.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 9020879 is about 3003.4778174643. The cubic root of 9020879 is about 208.1691101905.

The spelling of 9020879 in words is "nine million, twenty thousand, eight hundred seventy-nine".