902990 has 16 divisors (see below), whose sum is σ = 1773360. Its totient is φ = 328320.

The previous prime is 902987. The next prime is 903017. The reversal of 902990 is 99209.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3995 + ... + 4214.

It is an arithmetic number, because the mean of its divisors is an integer number (110835).

2⁹⁰²⁹⁹⁰ is an apocalyptic number.

902990 is a deficient number, since it is larger than the sum of its proper divisors (870370).

902990 is a wasteful number, since it uses less digits than its factorization.

902990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8227.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 902990 is about 950.2578597412. The cubic root of 902990 is about 96.6557392853.

It can be divided in two parts, 9029 and 90, that added together give a palindrome (9119).

The spelling of 902990 in words is "nine hundred two thousand, nine hundred ninety".