1894493960 has 16 divisors (see below), whose sum is σ = 4262611500. Its totient is φ = 757797568.

The previous prime is 1894493959. The next prime is 1894493963. The reversal of 1894493960 is 693944981.

It can be written as a sum of positive squares in 2 ways, for example, as 1894164484 + 329476 = 43522^2 + 574^2 .

It is not an unprimeable number, because it can be changed into a prime (1894493963) 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, 23681135 + ... + 23681214.

Almost surely, 2^1894493960 is an apocalyptic number.

1894493960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1894493960 is an abundant number, since it is smaller than the sum of its proper divisors (2368117540).

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

1894493960 is a wasteful number, since it uses less digits than its factorization.

1894493960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47362360 (or 47362356 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 1894493960 is about 43525.7850015367. The cubic root of 1894493960 is about 1237.3647556175.

The spelling of 1894493960 in words is "one billion, eight hundred ninety-four million, four hundred ninety-three thousand, nine hundred sixty".