9090002 has 8 divisors (see below), whose sum is σ = 14437116. Its totient is φ = 4277632.

The previous prime is 9089989. The next prime is 9090007. The reversal of 9090002 is 2000909.

9090002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6806881 + 2283121 = 2609^2 + 1511^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9090007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133643 + ... + 133710.

Almost surely, 2^9090002 is an apocalyptic number.

9090002 is a deficient number, since it is larger than the sum of its proper divisors (5347114).

9090002 is a wasteful number, since it uses less digits than its factorization.

9090002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267372.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 9090002 is about 3014.9630180153. The cubic root of 9090002 is about 208.6994604365.

The spelling of 9090002 in words is "nine million, ninety thousand, two".