2479478 has 4 divisors (see below), whose sum is σ = 3719220. Its totient is φ = 1239738.

The previous prime is 2479457. The next prime is 2479483. The reversal of 2479478 is 8749742.

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

It is a super-2 number, since 2×2479478² = 12295622304968, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619868 + ... + 619871.

It is an arithmetic number, because the mean of its divisors is an integer number (929805).

2^2479478 is an apocalyptic number.

2479478 is a deficient number, since it is larger than the sum of its proper divisors (1239742).

2479478 is a wasteful number, since it uses less digits than its factorization.

2479478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239741.

The product of its digits is 112896, while the sum is 41.

The square root of 2479478 is about 1574.6358309146. The cubic root of 2479478 is about 135.3484914846.

The spelling of 2479478 in words is "two million, four hundred seventy-nine thousand, four hundred seventy-eight".