90092002 has 48 divisors (see below), whose sum is σ = 182863296. Its totient is φ = 32392800.

The previous prime is 90091979. The next prime is 90092017. The reversal of 90092002 is 20029009.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19977 + ... + 24067.

It is an arithmetic number, because the mean of its divisors is an integer number (3809652).

Almost surely, 2^90092002 is an apocalyptic number.

90092002 is an abundant number, since it is smaller than the sum of its proper divisors (92771294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90092002 is a wasteful number, since it uses less digits than its factorization.

90092002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135 (or 4124 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 90092002 is about 9491.6806730947. The cubic root of 90092002 is about 448.2931256888.

Adding to 90092002 its reverse (20029009), we get a palindrome (110121011).

It can be divided in two parts, 9009 and 2002, that added together give a palindrome (11011).

The spelling of 90092002 in words is "ninety million, ninety-two thousand, two".