9902079 has 24 divisors (see below), whose sum is σ = 16146000. Its totient is φ = 5792640.

The previous prime is 9902047. The next prime is 9902089. The reversal of 9902079 is 9702099.

It is not a de Polignac number, because 9902079 - 2⁵ = 9902047 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9902089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1147 + ... + 4595.

It is an arithmetic number, because the mean of its divisors is an integer number (672750).

Almost surely, 2^9902079 is an apocalyptic number.

9902079 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9902079 is a deficient number, since it is larger than the sum of its proper divisors (6243921).

9902079 is a wasteful number, since it uses less digits than its factorization.

9902079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495 (or 3492 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 9902079 is about 3146.7569019548. The cubic root of 9902079 is about 214.7379464541.

It can be divided in two parts, 99020 and 79, that added together give a palindrome (99099).

The spelling of 9902079 in words is "nine million, nine hundred two thousand, seventy-nine".