800829644 has 12 divisors (see below), whose sum is σ = 1413854904. Its totient is φ = 396871104.

The previous prime is 800829641. The next prime is 800829677. The reversal of 800829644 is 446928008.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (800829641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885422 + ... + 886325.

It is an arithmetic number, because the mean of its divisors is an integer number (117821242).

Almost surely, 2^800829644 is an apocalyptic number.

It is an amenable number.

800829644 is a deficient number, since it is larger than the sum of its proper divisors (613025260).

800829644 is a wasteful number, since it uses less digits than its factorization.

800829644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771864 (or 1771862 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 800829644 is about 28298.9336194847. The cubic root of 800829644 is about 928.6385613814.

The spelling of 800829644 in words is "eight hundred million, eight hundred twenty-nine thousand, six hundred forty-four".