2779401 has 4 divisors (see below), whose sum is σ = 3705872. Its totient is φ = 1852932.

The previous prime is 2779363. The next prime is 2779411. The reversal of 2779401 is 1049772.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2779401 - 2¹¹ = 2777353 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2779411) 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, 463231 + ... + 463236.

It is an arithmetic number, because the mean of its divisors is an integer number (926468).

2^2779401 is an apocalyptic number.

It is an amenable number.

2779401 is a deficient number, since it is larger than the sum of its proper divisors (926471).

2779401 is an equidigital number, since it uses as much as digits as its factorization.

2779401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926470.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 2779401 is about 1667.1535622132. The cubic root of 2779401 is about 140.5994871247.

The spelling of 2779401 in words is "two million, seven hundred seventy-nine thousand, four hundred one".