900708644 has 12 divisors (see below), whose sum is σ = 1719534768. Its totient is φ = 409413000.

The previous prime is 900708643. The next prime is 900708647. The reversal of 900708644 is 446807009.

It is a happy number.

It is a super-2 number, since 2×900708644² = 1622552122752637472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 900708598 and 900708607.

It is not an unprimeable number, because it can be changed into a prime (900708643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10235282 + ... + 10235369.

It is an arithmetic number, because the mean of its divisors is an integer number (143294564).

Almost surely, 2^900708644 is an apocalyptic number.

It is an amenable number.

900708644 is a deficient number, since it is larger than the sum of its proper divisors (818826124).

900708644 is a wasteful number, since it uses less digits than its factorization.

900708644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20470666 (or 20470664 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 900708644 is about 30011.8084093578. The cubic root of 900708644 is about 965.7427211854.

The spelling of 900708644 in words is "nine hundred million, seven hundred eight thousand, six hundred forty-four".