804640914 has 48 divisors (see below), whose sum is σ = 2173579200. Its totient is φ = 208997280.

The previous prime is 804640913. The next prime is 804640939. The reversal of 804640914 is 419046408.

It is a happy number.

804640914 is a `hidden beast` number, since 8 + 0 + 4 + 640 + 9 + 1 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (804640913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288889 + ... + 291660.

It is an arithmetic number, because the mean of its divisors is an integer number (45282900).

Almost surely, 2^804640914 is an apocalyptic number.

804640914 is an abundant number, since it is smaller than the sum of its proper divisors (1368938286).

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

804640914 is a wasteful number, since it uses less digits than its factorization.

804640914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580575 (or 580572 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 804640914 is about 28366.1931531180. The cubic root of 804640914 is about 930.1094078707.

The spelling of 804640914 in words is "eight hundred four million, six hundred forty thousand, nine hundred fourteen".