1889004692 has 12 divisors (see below), whose sum is σ = 3306090900. Its totient is φ = 944407296.

The previous prime is 1889004671. The next prime is 1889004703. The reversal of 1889004692 is 2964009881.

It can be written as a sum of positive squares in 2 ways, for example, as 1605284356 + 283720336 = 40066^2 + 16844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39908 + ... + 73284.

It is an arithmetic number, because the mean of its divisors is an integer number (275507575).

Almost surely, 2^1889004692 is an apocalyptic number.

It is an amenable number.

1889004692 is a deficient number, since it is larger than the sum of its proper divisors (1417086208).

1889004692 is a wasteful number, since it uses less digits than its factorization.

1889004692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47530 (or 47528 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 1889004692 is about 43462.6816015763. The cubic root of 1889004692 is about 1236.1685175355.

The spelling of 1889004692 in words is "one billion, eight hundred eighty-nine million, four thousand, six hundred ninety-two".