1892992 has 32 divisors (see below), whose sum is σ = 3941280. Its totient is φ = 903936.

The previous prime is 1892983. The next prime is 1892999. The reversal of 1892992 is 2992981.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1892999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2623 + ... + 3265.

It is an arithmetic number, because the mean of its divisors is an integer number (123165).

2^1892992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1892992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1970640).

1892992 is an abundant number, since it is smaller than the sum of its proper divisors (2048288).

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

1892992 is an equidigital number, since it uses as much as digits as its factorization.

1892992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 668 counting only the distinct ones).

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

The square root of 1892992 is about 1375.8604580407. The cubic root of 1892992 is about 123.7037673776.

The spelling of 1892992 in words is "one million, eight hundred ninety-two thousand, nine hundred ninety-two".