2190473 has 2 divisors, whose sum is σ = 2190474. Its totient is φ = 2190472.

The previous prime is 2190469. The next prime is 2190479. The reversal of 2190473 is 3740912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1471369 + 719104 = 1213^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 2190473 - 2² = 2190469 is a prime.

It is not a weakly prime, because it can be changed into another prime (2190479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095236 + 1095237.

It is an arithmetic number, because the mean of its divisors is an integer number (1095237).

2^2190473 is an apocalyptic number.

It is an amenable number.

2190473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190473 is an equidigital number, since it uses as much as digits as its factorization.

2190473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2190473 is about 1480.0246619567. The cubic root of 2190473 is about 129.8711346290.

The spelling of 2190473 in words is "two million, one hundred ninety thousand, four hundred seventy-three".