2190337 has 2 divisors, whose sum is σ = 2190338. Its totient is φ = 2190336.

The previous prime is 2190329. The next prime is 2190347. The reversal of 2190337 is 7330912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100401 + 1089936 = 1049^2 + 1044^2 .

It is a cyclic number.

It is not a de Polignac number, because 2190337 - 2³ = 2190329 is a prime.

2190337 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2190317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095168 + 1095169.

It is an arithmetic number, because the mean of its divisors is an integer number (1095169).

2^2190337 is an apocalyptic number.

It is an amenable number.

2190337 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190337 is an equidigital number, since it uses as much as digits as its factorization.

2190337 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2190337 is about 1479.9787160632. The cubic root of 2190337 is about 129.8684468016.

The spelling of 2190337 in words is "two million, one hundred ninety thousand, three hundred thirty-seven".