900650 has 12 divisors (see below), whose sum is σ = 1675302. Its totient is φ = 360240.

The previous prime is 900649. The next prime is 900659. The reversal of 900650 is 56009.

It can be written as a sum of positive squares in 3 ways, for example, as 833569 + 67081 = 913^2 + 259^2 .

It is a super-2 number, since 2×900650² = 1622340845000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (900659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8957 + ... + 9056.

2⁹⁰⁰⁶⁵⁰ is an apocalyptic number.

900650 is a deficient number, since it is larger than the sum of its proper divisors (774652).

900650 is a wasteful number, since it uses less digits than its factorization.

900650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18025 (or 18020 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 900650 is about 949.0258162980. The cubic root of 900650 is about 96.5721761302.

Adding to 900650 its reverse (56009), we get a palindrome (956659).

The spelling of 900650 in words is "nine hundred thousand, six hundred fifty".