2604478 has 4 divisors (see below), whose sum is σ = 3906720. Its totient is φ = 1302238.

The previous prime is 2604439. The next prime is 2604499. The reversal of 2604478 is 8744062.

It is a semiprime because it is the product of two primes.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651118 + ... + 651121.

It is an arithmetic number, because the mean of its divisors is an integer number (976680).

2^2604478 is an apocalyptic number.

2604478 is a deficient number, since it is larger than the sum of its proper divisors (1302242).

2604478 is a wasteful number, since it uses less digits than its factorization.

2604478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302241.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2604478 is about 1613.8395211420. The cubic root of 2604478 is about 137.5857844856.

The spelling of 2604478 in words is "two million, six hundred four thousand, four hundred seventy-eight".