1804905414 has 48 divisors (see below), whose sum is σ = 4214482272. Its totient is φ = 554955264.

The previous prime is 1804905397. The next prime is 1804905433. The reversal of 1804905414 is 4145094081.

It is a super-2 number, since 2×1804905414² = 6515367106973022792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 620287 + ... + 623189.

It is an arithmetic number, because the mean of its divisors is an integer number (87801714).

Almost surely, 2^1804905414 is an apocalyptic number.

1804905414 is an abundant number, since it is smaller than the sum of its proper divisors (2409576858).

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

1804905414 is a wasteful number, since it uses less digits than its factorization.

1804905414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581 (or 5578 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1804905414 is about 42484.1783961983. The cubic root of 1804905414 is about 1217.5444234374.

Adding to 1804905414 its reverse (4145094081), we get a palindrome (5949999495).

The spelling of 1804905414 in words is "one billion, eight hundred four million, nine hundred five thousand, four hundred fourteen".