2438278 has 8 divisors (see below), whose sum is σ = 3673440. Its totient is φ = 1213800.

The previous prime is 2438239. The next prime is 2438281. The reversal of 2438278 is 8728342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2⁷ + 4 + 3¹¹ + 8⁵ + 2¹⁷ + 7 + 8⁷ .

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, 2073 + ... + 3028.

It is an arithmetic number, because the mean of its divisors is an integer number (459180).

2^2438278 is an apocalyptic number.

2438278 is a deficient number, since it is larger than the sum of its proper divisors (1235162).

2438278 is a wasteful number, since it uses less digits than its factorization.

2438278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342.

The product of its digits is 21504, while the sum is 34.

The square root of 2438278 is about 1561.4986391284. The cubic root of 2438278 is about 134.5946322044.

Subtracting 2438278 from its reverse (8728342), we obtain a square (6290064 = 2508²).

The spelling of 2438278 in words is "two million, four hundred thirty-eight thousand, two hundred seventy-eight".