804771252 has 36 divisors (see below), whose sum is σ = 2049823776. Its totient is φ = 266207760.

The previous prime is 804771251. The next prime is 804771263. The reversal of 804771252 is 252177408.

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

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 (804771251) 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, 80608 + ... + 90039.

Almost surely, 2^804771252 is an apocalyptic number.

It is an amenable number.

804771252 is an abundant number, since it is smaller than the sum of its proper divisors (1245052524).

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

804771252 is a wasteful number, since it uses less digits than its factorization.

804771252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170788 (or 170783 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 804771252 is about 28368.4904779934. The cubic root of 804771252 is about 930.1596257393.

The spelling of 804771252 in words is "eight hundred four million, seven hundred seventy-one thousand, two hundred fifty-two".