5478994 has 16 divisors (see below), whose sum is σ = 8510040. Its totient is φ = 2643840.

The previous prime is 5478989. The next prime is 5479007. The reversal of 5478994 is 4998745.

It can be written as a sum of positive squares in 4 ways, for example, as 1918225 + 3560769 = 1385^2 + 1887^2 .

It is an unprimeable number.

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, 8632 + ... + 9244.

Almost surely, 2^5478994 is an apocalyptic number.

5478994 is a deficient number, since it is larger than the sum of its proper divisors (3031046).

5478994 is a wasteful number, since it uses less digits than its factorization.

5478994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its digits is 362880, while the sum is 46.

The square root of 5478994 is about 2340.7251013308. The cubic root of 5478994 is about 176.2924073467.

Subtracting from 5478994 its reverse (4998745), we obtain a square (480249 = 693²).

The spelling of 5478994 in words is "five million, four hundred seventy-eight thousand, nine hundred ninety-four".