2779461 has 16 divisors (see below), whose sum is σ = 4158720. Its totient is φ = 1834560.

The previous prime is 2779423. The next prime is 2779463. The reversal of 2779461 is 1649772.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2779461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2779463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2596 + ... + 3506.

It is an arithmetic number, because the mean of its divisors is an integer number (259920).

2^2779461 is an apocalyptic number.

It is an amenable number.

2779461 is a deficient number, since it is larger than the sum of its proper divisors (1379259).

2779461 is a wasteful number, since it uses less digits than its factorization.

2779461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1027 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 2779461 is about 1667.1715568591. The cubic root of 2779461 is about 140.6004988425.

It can be divided in two parts, 2779 and 461, that added together give a triangular number (3240 = T₈₀).

The spelling of 2779461 in words is "two million, seven hundred seventy-nine thousand, four hundred sixty-one".