804351420 has 144 divisors (see below), whose sum is σ = 2572996608. Its totient is φ = 203091840.

The previous prime is 804351419. The next prime is 804351461. The reversal of 804351420 is 24153408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260727 + ... + 263793.

It is an arithmetic number, because the mean of its divisors is an integer number (17868032).

Almost surely, 2^804351420 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 804351420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286498304).

804351420 is an abundant number, since it is smaller than the sum of its proper divisors (1768645188).

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

804351420 is a wasteful number, since it uses less digits than its factorization.

804351420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160 (or 3155 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 804351420 is about 28361.0898944311. The cubic root of 804351420 is about 929.9978494574.

The spelling of 804351420 in words is "eight hundred four million, three hundred fifty-one thousand, four hundred twenty".