1894698764 has 12 divisors (see below), whose sum is σ = 3789397584. Its totient is φ = 812013744.

The previous prime is 1894698763. The next prime is 1894698779. The reversal of 1894698764 is 4678964981.

1894698764 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1894698697 and 1894698706.

It is not an unprimeable number, because it can be changed into a prime (1894698763) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33833879 + ... + 33833934.

It is an arithmetic number, because the mean of its divisors is an integer number (315783132).

Almost surely, 2^1894698764 is an apocalyptic number.

1894698764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1894698764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1894698764 is a wasteful number, since it uses less digits than its factorization.

1894698764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67667824 (or 67667822 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 62.

The square root of 1894698764 is about 43528.1376123537. The cubic root of 1894698764 is about 1237.4093423911.

The spelling of 1894698764 in words is "one billion, eight hundred ninety-four million, six hundred ninety-eight thousand, seven hundred sixty-four".