2779427 has 12 divisors (see below), whose sum is σ = 3265416. Its totient is φ = 2358720.

The previous prime is 2779423. The next prime is 2779463. The reversal of 2779427 is 7249772.

It is not a de Polignac number, because 2779427 - 2² = 2779423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2779423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6203 + ... + 6635.

It is an arithmetic number, because the mean of its divisors is an integer number (272118).

2^2779427 is an apocalyptic number.

2779427 is a deficient number, since it is larger than the sum of its proper divisors (485989).

2779427 is a wasteful number, since it uses less digits than its factorization.

2779427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 571 counting only the distinct ones).

The product of its digits is 49392, while the sum is 38.

The square root of 2779427 is about 1667.1613599169. The cubic root of 2779427 is about 140.5999255375.

The spelling of 2779427 in words is "two million, seven hundred seventy-nine thousand, four hundred twenty-seven".