804154039 has 4 divisors (see below), whose sum is σ = 866012056. Its totient is φ = 742296024.

The previous prime is 804154019. The next prime is 804154073. The reversal of 804154039 is 930451408.

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 804154039 - 2¹⁵ = 804121271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 804153995 and 804154013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804154019) 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, 30928989 + ... + 30929014.

It is an arithmetic number, because the mean of its divisors is an integer number (216503014).

Almost surely, 2^804154039 is an apocalyptic number.

804154039 is a deficient number, since it is larger than the sum of its proper divisors (61858017).

804154039 is a wasteful number, since it uses less digits than its factorization.

804154039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61858016.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 804154039 is about 28357.6098957581. The cubic root of 804154039 is about 929.9217720456.

The spelling of 804154039 in words is "eight hundred four million, one hundred fifty-four thousand, thirty-nine".