1894500404 has 12 divisors (see below), whose sum is σ = 3349555524. Its totient is φ = 937484544.

The previous prime is 1894500403. The next prime is 1894500437. The reversal of 1894500404 is 4040054981.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1424911504 + 469588900 = 37748^2 + 21670^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894500403) 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, 2440979 + ... + 2441754.

It is an arithmetic number, because the mean of its divisors is an integer number (279129627).

Almost surely, 2^1894500404 is an apocalyptic number.

It is an amenable number.

1894500404 is a deficient number, since it is larger than the sum of its proper divisors (1455055120).

1894500404 is a wasteful number, since it uses less digits than its factorization.

1894500404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882834 (or 4882832 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1894500404 is about 43525.8590265603. The cubic root of 1894500404 is about 1237.3661585549.

The spelling of 1894500404 in words is "one billion, eight hundred ninety-four million, five hundred thousand, four hundred four".