2378278 has 16 divisors (see below), whose sum is σ = 4099104. Its totient is φ = 1013760.

The previous prime is 2378273. The next prime is 2378291. The reversal of 2378278 is 8728732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3268 + ... + 3928.

It is an arithmetic number, because the mean of its divisors is an integer number (256194).

2^2378278 is an apocalyptic number.

2378278 is a deficient number, since it is larger than the sum of its proper divisors (1720826).

2378278 is a wasteful number, since it uses less digits than its factorization.

2378278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927.

The product of its digits is 37632, while the sum is 37.

The square root of 2378278 is about 1542.1666576606. The cubic root of 2378278 is about 133.4814368182.

It can be divided in two parts, 237 and 8278, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 2378278 in words is "two million, three hundred seventy-eight thousand, two hundred seventy-eight".