2190373 has 4 divisors (see below), whose sum is σ = 2197728. Its totient is φ = 2183020.

The previous prime is 2190371. The next prime is 2190389. The reversal of 2190373 is 3730912.

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 2190373 - 2¹ = 2190371 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 (2190371) 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, 3211 + ... + 3832.

It is an arithmetic number, because the mean of its divisors is an integer number (549432).

2^2190373 is an apocalyptic number.

It is an amenable number.

2190373 is a deficient number, since it is larger than the sum of its proper divisors (7355).

2190373 is an equidigital number, since it uses as much as digits as its factorization.

2190373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7354.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 2190373 is about 1479.9908783503. The cubic root of 2190373 is about 129.8691582962.

The spelling of 2190373 in words is "two million, one hundred ninety thousand, three hundred seventy-three".