1989092 has 12 divisors (see below), whose sum is σ = 3978240. Its totient is φ = 852456.

The previous prime is 1989077. The next prime is 1989101. The reversal of 1989092 is 2909891.

1989092 is an admirable 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, 35492 + ... + 35547.

It is an arithmetic number, because the mean of its divisors is an integer number (331520).

2^1989092 is an apocalyptic number.

It is an amenable number.

1989092 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.

1989092 is a wasteful number, since it uses less digits than its factorization.

1989092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71050 (or 71048 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 1989092 is about 1410.3517291796. The cubic root of 1989092 is about 125.7626336567.

The spelling of 1989092 in words is "one million, nine hundred eighty-nine thousand, ninety-two".