900790 has 32 divisors (see below), whose sum is σ = 1866240. Its totient is φ = 309600.

The previous prime is 900773. The next prime is 900797. The reversal of 900790 is 97009.

It is a super-2 number, since 2×900790² = 1622845248200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900797) 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, 1875 + ... + 2305.

It is an arithmetic number, because the mean of its divisors is an integer number (58320).

2⁹⁰⁰⁷⁹⁰ is an apocalyptic number.

900790 is an abundant number, since it is smaller than the sum of its proper divisors (965450).

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

900790 is a wasteful number, since it uses less digits than its factorization.

900790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 900790 is about 949.0995732799. The cubic root of 900790 is about 96.5771797032.

Adding to 900790 its reverse (97009), we get a palindrome (997799).

The spelling of 900790 in words is "nine hundred thousand, seven hundred ninety".