804070644 has 96 divisors (see below), whose sum is σ = 2069760000. Its totient is φ = 241439616.

The previous prime is 804070577. The next prime is 804070661. The reversal of 804070644 is 446070408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1831377 + ... + 1831815.

It is an arithmetic number, because the mean of its divisors is an integer number (21560000).

Almost surely, 2^804070644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804070644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034880000).

804070644 is an abundant number, since it is smaller than the sum of its proper divisors (1265689356).

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

804070644 is a wasteful number, since it uses less digits than its factorization.

804070644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 804070644 is about 28356.1394410452. The cubic root of 804070644 is about 929.8896250094.

The spelling of 804070644 in words is "eight hundred four million, seventy thousand, six hundred forty-four".