800049 has 4 divisors (see below), whose sum is σ = 1066736. Its totient is φ = 533364.

The previous prime is 800029. The next prime is 800053. The reversal of 800049 is 940008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 800049 - 2⁷ = 799921 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 799998 and 800034.

It is not an unprimeable number, because it can be changed into a prime (800029) 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, 133339 + ... + 133344.

It is an arithmetic number, because the mean of its divisors is an integer number (266684).

2⁸⁰⁰⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

800049 is a deficient number, since it is larger than the sum of its proper divisors (266687).

800049 is a wasteful number, since it uses less digits than its factorization.

800049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266686.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 800049 is about 894.4545824132. The cubic root of 800049 is about 92.8336719490.

The spelling of 800049 in words is "eight hundred thousand, forty-nine".