2190783 has 8 divisors (see below), whose sum is σ = 3338368. Its totient is φ = 1251864.

The previous prime is 2190763. The next prime is 2190809. The reversal of 2190783 is 3870912.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2190783 - 2⁵ = 2190751 is a prime.

It is a Duffinian number.

2190783 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2190783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52141 + ... + 52182.

It is an arithmetic number, because the mean of its divisors is an integer number (417296).

2^2190783 is an apocalyptic number.

2190783 is a deficient number, since it is larger than the sum of its proper divisors (1147585).

2190783 is a wasteful number, since it uses less digits than its factorization.

2190783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104333.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2190783 is about 1480.1293862362. The cubic root of 2190783 is about 129.8772608785.

The spelling of 2190783 in words is "two million, one hundred ninety thousand, seven hundred eighty-three".