900036681 has 16 divisors (see below), whose sum is σ = 1230028800. Its totient is φ = 585195408.

The previous prime is 900036677. The next prime is 900036703. The reversal of 900036681 is 186630009.

900036681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 900036681 - 2² = 900036677 is a prime.

It is a super-2 number, since 2×900036681² = 1620132054290991522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (900036601) 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, 2460 + ... + 42498.

It is an arithmetic number, because the mean of its divisors is an integer number (76876800).

Almost surely, 2^900036681 is an apocalyptic number.

It is an amenable number.

900036681 is a deficient number, since it is larger than the sum of its proper divisors (329992119).

900036681 is a wasteful number, since it uses less digits than its factorization.

900036681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40228.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 900036681 is about 30000.6113437710. The cubic root of 900036681 is about 965.5025011371.

The spelling of 900036681 in words is "nine hundred million, thirty-six thousand, six hundred eighty-one".