2604278 has 8 divisors (see below), whose sum is σ = 3913272. Its totient is φ = 1299856.

The previous prime is 2604269. The next prime is 2604289. The reversal of 2604278 is 8724062.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2604278.

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, 1601 + ... + 2787.

It is an arithmetic number, because the mean of its divisors is an integer number (489159).

2^2604278 is an apocalyptic number.

2604278 is a deficient number, since it is larger than the sum of its proper divisors (1308994).

2604278 is a wasteful number, since it uses less digits than its factorization.

2604278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2604278 is about 1613.7775559227. Note that the first 3 decimals coincide. The cubic root of 2604278 is about 137.5822626204.

It can be divided in two parts, 2604 and 278, that added together give a palindrome (2882).

The spelling of 2604278 in words is "two million, six hundred four thousand, two hundred seventy-eight".