804649626 has 80 divisors (see below), whose sum is σ = 2012855328. Its totient is φ = 238140000.

The previous prime is 804649589. The next prime is 804649633. The reversal of 804649626 is 626946408.

804649626 is a `hidden beast` number, since 80 + 464 + 96 + 26 = 666.

It is a super-2 number, since 2×804649626² = 1294922041243879752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71376 + ... + 81876.

Almost surely, 2^804649626 is an apocalyptic number.

804649626 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 804649626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006427664).

804649626 is an abundant number, since it is smaller than the sum of its proper divisors (1208205702).

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

804649626 is a wasteful number, since it uses less digits than its factorization.

804649626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10569 (or 10560 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 804649626 is about 28366.3467157828. The cubic root of 804649626 is about 930.1127646823.

The spelling of 804649626 in words is "eight hundred four million, six hundred forty-nine thousand, six hundred twenty-six".