1992892 has 12 divisors (see below), whose sum is σ = 3804696. Its totient is φ = 905840.

The previous prime is 1992889. The next prime is 1992911. The reversal of 1992892 is 2982991.

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, 22603 + ... + 22690.

It is an arithmetic number, because the mean of its divisors is an integer number (317058).

2^1992892 is an apocalyptic number.

It is an amenable number.

1992892 is a deficient number, since it is larger than the sum of its proper divisors (1811804).

1992892 is a wasteful number, since it uses less digits than its factorization.

1992892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45308 (or 45306 counting only the distinct ones).

The product of its digits is 23328, while the sum is 40.

The square root of 1992892 is about 1411.6982680446. The cubic root of 1992892 is about 125.8426691707.

Subtracting 1992892 from its reverse (2982991), we obtain a palindrome (990099).

The spelling of 1992892 in words is "one million, nine hundred ninety-two thousand, eight hundred ninety-two".