900002236 has 48 divisors (see below), whose sum is σ = 1988775936. Its totient is φ = 347238144.

The previous prime is 900002221. The next prime is 900002237. The reversal of 900002236 is 632200009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900002237) 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 15 ways as a sum of consecutive naturals, for example, 30156 + ... + 52051.

It is an arithmetic number, because the mean of its divisors is an integer number (41432832).

Almost surely, 2^900002236 is an apocalyptic number.

It is an amenable number.

900002236 is an abundant number, since it is smaller than the sum of its proper divisors (1088773700).

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

900002236 is a wasteful number, since it uses less digits than its factorization.

900002236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82258 (or 82256 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 900002236 is about 30000.0372666435. The cubic root of 900002236 is about 965.4901841732.

The spelling of 900002236 in words is "nine hundred million, two thousand, two hundred thirty-six".