804629956 has 27 divisors (see below), whose sum is σ = 1526148813. Its totient is φ = 371027280.

The previous prime is 804629929. The next prime is 804629957. The reversal of 804629956 is 659926408.

The square root of 804629956 is 28366.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 119028100 + 685601856 = 10910^2 + 26184^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804629957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 736971 + ... + 738061.

Almost surely, 2^804629956 is an apocalyptic number.

804629956 is the 28366-th square number.

It is an amenable number.

804629956 is a deficient number, since it is larger than the sum of its proper divisors (721518857).

804629956 is a wasteful number, since it uses less digits than its factorization.

804629956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The cubic root of 804629956 is about 930.1051856208.

Multiplying 804629956 by its sum of digits (49), we get a square (39426867844 = 198562²).

The spelling of 804629956 in words is "eight hundred four million, six hundred twenty-nine thousand, nine hundred fifty-six".