2190737 has 2 divisors, whose sum is σ = 2190738. Its totient is φ = 2190736.

The previous prime is 2190691. The next prime is 2190751. The reversal of 2190737 is 7370912.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2163841 + 26896 = 1471^2 + 164^2 .

It is a cyclic number.

It is not a de Polignac number, because 2190737 - 2⁸ = 2190481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2190337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095368 + 1095369.

It is an arithmetic number, because the mean of its divisors is an integer number (1095369).

2^2190737 is an apocalyptic number.

It is an amenable number.

2190737 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190737 is an equidigital number, since it uses as much as digits as its factorization.

2190737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 2190737 is about 1480.1138469726. The cubic root of 2190737 is about 129.8763518587.

The spelling of 2190737 in words is "two million, one hundred ninety thousand, seven hundred thirty-seven".