2773963 has 4 divisors (see below), whose sum is σ = 2789640. Its totient is φ = 2758288.

The previous prime is 2773949. The next prime is 2773997. The reversal of 2773963 is 3693772.

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

It is a cyclic number.

It is not a de Polignac number, because 2773963 - 2⁵ = 2773931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2771963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7570 + ... + 7927.

It is an arithmetic number, because the mean of its divisors is an integer number (697410).

2^2773963 is an apocalyptic number.

2773963 is a deficient number, since it is larger than the sum of its proper divisors (15677).

2773963 is a wasteful number, since it uses less digits than its factorization.

2773963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15676.

The product of its digits is 47628, while the sum is 37.

The square root of 2773963 is about 1665.5218401450. The cubic root of 2773963 is about 140.5077312396.

It can be divided in two parts, 27 and 73963, that multiplied together give a triangular number (1997001 = T₁₉₉₈).

The spelling of 2773963 in words is "two million, seven hundred seventy-three thousand, nine hundred sixty-three".