1890253 has 4 divisors (see below), whose sum is σ = 1989760. Its totient is φ = 1790748.

The previous prime is 1890241. The next prime is 1890257. The reversal of 1890253 is 3520981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1890253 - 2⁵ = 1890221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1890257) 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, 49725 + ... + 49762.

It is an arithmetic number, because the mean of its divisors is an integer number (497440).

2^1890253 is an apocalyptic number.

It is an amenable number.

1890253 is a deficient number, since it is larger than the sum of its proper divisors (99507).

1890253 is an equidigital number, since it uses as much as digits as its factorization.

1890253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99506.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1890253 is about 1374.8647206180. The cubic root of 1890253 is about 123.6440756009.

The spelling of 1890253 in words is "one million, eight hundred ninety thousand, two hundred fifty-three".