1801792 has 28 divisors (see below), whose sum is σ = 3657600. Its totient is φ = 880256.

The previous prime is 1801781. The next prime is 1801817. The reversal of 1801792 is 2971081.

It is a super-2 number, since 2×1801792² = 6492908822528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1801792.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2709 + ... + 3307.

2^1801792 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 1801792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828800).

1801792 is an abundant number, since it is smaller than the sum of its proper divisors (1855808).

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

1801792 is an equidigital number, since it uses as much as digits as its factorization.

1801792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1801792 is about 1342.3084593341. The cubic root of 1801792 is about 121.6843943227.

The spelling of 1801792 in words is "one million, eight hundred one thousand, seven hundred ninety-two".