2778314 has 16 divisors (see below), whose sum is σ = 5196096. Its totient is φ = 1082400.

The previous prime is 2778299. The next prime is 2778323. The reversal of 2778314 is 4138772.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8867 + ... + 9174.

It is an arithmetic number, because the mean of its divisors is an integer number (324756).

2^2778314 is an apocalyptic number.

2778314 is a deficient number, since it is larger than the sum of its proper divisors (2417782).

2778314 is a wasteful number, since it uses less digits than its factorization.

2778314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18061.

The product of its digits is 9408, while the sum is 32.

The square root of 2778314 is about 1666.8275255707. The cubic root of 2778314 is about 140.5811556484.

The spelling of 2778314 in words is "two million, seven hundred seventy-eight thousand, three hundred fourteen".