853902244 has 36 divisors (see below), whose sum is σ = 1657639620. Its totient is φ = 384483840.

The previous prime is 853902233. The next prime is 853902253. The reversal of 853902244 is 442209358.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 182574144 + 671328100 = 13512^2 + 25910^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12312 + ... + 43120.

It is an arithmetic number, because the mean of its divisors is an integer number (46045545).

Almost surely, 2^853902244 is an apocalyptic number.

It is an amenable number.

853902244 is a deficient number, since it is larger than the sum of its proper divisors (803737376).

853902244 is a wasteful number, since it uses less digits than its factorization.

853902244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30880 (or 30865 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 853902244 is about 29221.6057738106. The cubic root of 853902244 is about 948.7156213027.

The spelling of 853902244 in words is "eight hundred fifty-three million, nine hundred two thousand, two hundred forty-four".