900819036 has 96 divisors (see below), whose sum is σ = 2576616000. Its totient is φ = 270397440.

The previous prime is 900819019. The next prime is 900819041. The reversal of 900819036 is 630918009.

900819036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×900819036² = 1622949871239938592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49740 + ... + 65388.

It is an arithmetic number, because the mean of its divisors is an integer number (26839750).

Almost surely, 2^900819036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 900819036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288308000).

900819036 is an abundant number, since it is smaller than the sum of its proper divisors (1675796964).

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

900819036 is a wasteful number, since it uses less digits than its factorization.

900819036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15716 (or 15708 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 900819036 is about 30013.6474957643. The cubic root of 900819036 is about 965.7821737935.

The spelling of 900819036 in words is "nine hundred million, eight hundred nineteen thousand, thirty-six".