853323804 has 36 divisors (see below), whose sum is σ = 2158543296. Its totient is φ = 284239488.

The previous prime is 853323803. The next prime is 853323827. The reversal of 853323804 is 408323358.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853323803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48277 + ... + 63539.

It is an arithmetic number, because the mean of its divisors is an integer number (59959536).

Almost surely, 2^853323804 is an apocalyptic number.

It is an amenable number.

853323804 is an abundant number, since it is smaller than the sum of its proper divisors (1305219492).

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

853323804 is a wasteful number, since it uses less digits than its factorization.

853323804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16826 (or 16821 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 853323804 is about 29211.7066259402. The cubic root of 853323804 is about 948.5013504736.

The spelling of 853323804 in words is "eight hundred fifty-three million, three hundred twenty-three thousand, eight hundred four".