2778034 has 32 divisors (see below), whose sum is σ = 5078016. Its totient is φ = 1114560.

The previous prime is 2778023. The next prime is 2778049. The reversal of 2778034 is 4308772.

2778034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 2777987 and 2778005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15972 + ... + 16144.

It is an arithmetic number, because the mean of its divisors is an integer number (158688).

2^2778034 is an apocalyptic number.

2778034 is a deficient number, since it is larger than the sum of its proper divisors (2299982).

2778034 is a wasteful number, since it uses less digits than its factorization.

2778034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2778034 is about 1666.7435315609. The cubic root of 2778034 is about 140.5764328746.

The spelling of 2778034 in words is "two million, seven hundred seventy-eight thousand, thirty-four".