2778452 has 12 divisors (see below), whose sum is σ = 4966080. Its totient is φ = 1359576.

The previous prime is 2778439. The next prime is 2778467. The reversal of 2778452 is 2548772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7202 + ... + 7577.

It is an arithmetic number, because the mean of its divisors is an integer number (413840).

2^2778452 is an apocalyptic number.

It is an amenable number.

2778452 is a deficient number, since it is larger than the sum of its proper divisors (2187628).

2778452 is a wasteful number, since it uses less digits than its factorization.

2778452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14830 (or 14828 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2778452 is about 1666.8689210613. The cubic root of 2778452 is about 140.5834831845.

The spelling of 2778452 in words is "two million, seven hundred seventy-eight thousand, four hundred fifty-two".