1772983 has 4 divisors (see below), whose sum is σ = 1830208. Its totient is φ = 1715760.

The previous prime is 1772971. The next prime is 1772987. The reversal of 1772983 is 3892771.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1772983 is a prime.

It is a Duffinian number.

1772983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1772987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28566 + ... + 28627.

It is an arithmetic number, because the mean of its divisors is an integer number (457552).

2^1772983 is an apocalyptic number.

1772983 is a deficient number, since it is larger than the sum of its proper divisors (57225).

1772983 is an equidigital number, since it uses as much as digits as its factorization.

1772983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57224.

The product of its digits is 21168, while the sum is 37.

The square root of 1772983 is about 1331.5340776713. The cubic root of 1772983 is about 121.0323661794.

It can be divided in two parts, 177 and 2983, that added together give a triangular number (3160 = T₇₉).

The spelling of 1772983 in words is "one million, seven hundred seventy-two thousand, nine hundred eighty-three".