1804880949 has 8 divisors (see below), whose sum is σ = 2421836640. Its totient is φ = 1195589616.

The previous prime is 1804880933. The next prime is 1804880963. The reversal of 1804880949 is 9490884081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1804880949 - 2⁴ = 1804880933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804880999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915539 + ... + 1916480.

It is an arithmetic number, because the mean of its divisors is an integer number (302729580).

Almost surely, 2^1804880949 is an apocalyptic number.

It is an amenable number.

1804880949 is a deficient number, since it is larger than the sum of its proper divisors (616955691).

1804880949 is a wasteful number, since it uses less digits than its factorization.

1804880949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832179.

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 1804880949 is about 42483.8904645043. The cubic root of 1804880949 is about 1217.5389222519.

The spelling of 1804880949 in words is "one billion, eight hundred four million, eight hundred eighty thousand, nine hundred forty-nine".