2478994 has 16 divisors (see below), whose sum is σ = 4290048. Its totient is φ = 1052352.

The previous prime is 2478953. The next prime is 2478997. The reversal of 2478994 is 4998742.

2478994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2478994² = 12290822504072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2478994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799 + ... + 2365.

It is an arithmetic number, because the mean of its divisors is an integer number (268128).

2^2478994 is an apocalyptic number.

2478994 is a deficient number, since it is larger than the sum of its proper divisors (1811054).

2478994 is a wasteful number, since it uses less digits than its factorization.

2478994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689.

The product of its digits is 145152, while the sum is 43.

The square root of 2478994 is about 1574.4821370851. The cubic root of 2478994 is about 135.3396841291.

The spelling of 2478994 in words is "two million, four hundred seventy-eight thousand, nine hundred ninety-four".