804000402 has 24 divisors (see below), whose sum is σ = 1768003536. Its totient is φ = 263999736.

The previous prime is 804000401. The next prime is 804000419. The reversal of 804000402 is 204000408.

It is a happy number.

804000402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (804000401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332128 + ... + 334539.

It is an arithmetic number, because the mean of its divisors is an integer number (73666814).

Almost surely, 2^804000402 is an apocalyptic number.

804000402 is an abundant number, since it is smaller than the sum of its proper divisors (964003134).

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

804000402 is a wasteful number, since it uses less digits than its factorization.

804000402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666742 (or 666739 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 804000402 is about 28354.9008462382. The cubic root of 804000402 is about 929.8625464562.

The spelling of 804000402 in words is "eight hundred four million, four hundred two", and thus it is an aban number.