1930992 has 60 divisors (see below), whose sum is σ = 5809896. Its totient is φ = 551040.

The previous prime is 1930969. The next prime is 1931009. The reversal of 1930992 is 2990391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1942 + ... + 2762.

2^1930992 is an apocalyptic number.

1930992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1930992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2904948).

1930992 is an abundant number, since it is smaller than the sum of its proper divisors (3878904).

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

1930992 is a wasteful number, since it uses less digits than its factorization.

1930992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 1930992 is about 1389.6013816919. The cubic root of 1930992 is about 124.5260344581.

Multiplying 1930992 by its sum of digits (33), we get a palindrome (63722736).

The spelling of 1930992 in words is "one million, nine hundred thirty thousand, nine hundred ninety-two".