2761963 has 4 divisors (see below), whose sum is σ = 2767768. Its totient is φ = 2756160.

The previous prime is 2761961. The next prime is 2761981. The reversal of 2761963 is 3691672.

2761963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2761963 - 2¹ = 2761961 is a prime.

It is a super-2 number, since 2×2761963² = 15256879226738, which contains 22 as substring.

It is a Duffinian number.

2761963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2761961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2118 + ... + 3163.

It is an arithmetic number, because the mean of its divisors is an integer number (691942).

2^2761963 is an apocalyptic number.

2761963 is a deficient number, since it is larger than the sum of its proper divisors (5805).

2761963 is an equidigital number, since it uses as much as digits as its factorization.

2761963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804.

The product of its digits is 13608, while the sum is 34.

The square root of 2761963 is about 1661.9154611472. The cubic root of 2761963 is about 140.3048289962.

The spelling of 2761963 in words is "two million, seven hundred sixty-one thousand, nine hundred sixty-three".