1804864854 has 32 divisors (see below), whose sum is σ = 3982222944. Its totient is φ = 541797120.

The previous prime is 1804864829. The next prime is 1804864861. The reversal of 1804864854 is 4584684081.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278989 + ... + 285384.

It is an arithmetic number, because the mean of its divisors is an integer number (124444467).

Almost surely, 2^1804864854 is an apocalyptic number.

1804864854 is an abundant number, since it is smaller than the sum of its proper divisors (2177358090).

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

1804864854 is a wasteful number, since it uses less digits than its factorization.

1804864854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564432.

The product of its (nonzero) digits is 983040, while the sum is 48.

The square root of 1804864854 is about 42483.7010393398. The cubic root of 1804864854 is about 1217.5353031125.

The spelling of 1804864854 in words is "one billion, eight hundred four million, eight hundred sixty-four thousand, eight hundred fifty-four".