1814930404 has 81 divisors (see below), whose sum is σ = 3946846953. Its totient is φ = 727982976.

The previous prime is 1814930399. The next prime is 1814930443. The reversal of 1814930404 is 4040394181.

The square root of 1814930404 is 42602.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1413008100 + 401922304 = 37590^2 + 20048^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 1814930404.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10139187 + ... + 10139365.

Almost surely, 2^1814930404 is an apocalyptic number.

1814930404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1814930404 is the 42602-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1814930404

1814930404 is an abundant number, since it is smaller than the sum of its proper divisors (2131916549).

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

1814930404 is a wasteful number, since it uses less digits than its factorization.

1814930404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The cubic root of 1814930404 is about 1219.7944659578.

The spelling of 1814930404 in words is "one billion, eight hundred fourteen million, nine hundred thirty thousand, four hundred four".