804161399 has 4 divisors (see below), whose sum is σ = 821271264. Its totient is φ = 787051536.

The previous prime is 804161383. The next prime is 804161401. The reversal of 804161399 is 993161408.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 804161399 - 2⁴ = 804161383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804161299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8554862 + ... + 8554955.

It is an arithmetic number, because the mean of its divisors is an integer number (205317816).

Almost surely, 2^804161399 is an apocalyptic number.

804161399 is a deficient number, since it is larger than the sum of its proper divisors (17109865).

804161399 is a wasteful number, since it uses less digits than its factorization.

804161399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17109864.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 804161399 is about 28357.7396666236. The cubic root of 804161399 is about 929.9246090657.

The spelling of 804161399 in words is "eight hundred four million, one hundred sixty-one thousand, three hundred ninety-nine".