909090929 has 16 divisors (see below), whose sum is σ = 1016121600. Its totient is φ = 808268544.

The previous prime is 909090911. The next prime is 909090937. The reversal of 909090929 is 929090909.

It is a happy number.

909090929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 909090929 - 2⁸ = 909090673 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (909090529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114707 + ... + 122375.

It is an arithmetic number, because the mean of its divisors is an integer number (63507600).

Almost surely, 2^909090929 is an apocalyptic number.

It is an amenable number.

909090929 is a deficient number, since it is larger than the sum of its proper divisors (107030671).

909090929 is a wasteful number, since it uses less digits than its factorization.

909090929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072.

The product of its (nonzero) digits is 118098, while the sum is 47.

The square root of 909090929 is about 30151.1347879313. The cubic root of 909090929 is about 968.7293132232.

It can be divided in two parts, 909090 and 929, that added together give a palindrome (910019).

The spelling of 909090929 in words is "nine hundred nine million, ninety thousand, nine hundred twenty-nine".