5178938 has 4 divisors (see below), whose sum is σ = 7768410. Its totient is φ = 2589468.

The previous prime is 5178923. The next prime is 5178941. The reversal of 5178938 is 8398715.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 4765489 + 413449 = 2183^2 + 643^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5178895 and 5178904.

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 as a sum of consecutive naturals, namely, 1294733 + ... + 1294736.

Almost surely, 2^5178938 is an apocalyptic number.

5178938 is a deficient number, since it is larger than the sum of its proper divisors (2589472).

5178938 is a wasteful number, since it uses less digits than its factorization.

5178938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589471.

The product of its digits is 60480, while the sum is 41.

The square root of 5178938 is about 2275.7280153832. The cubic root of 5178938 is about 173.0135977818.

It can be divided in two parts, 5178 and 938, that added together give a palindrome (6116).

The spelling of 5178938 in words is "five million, one hundred seventy-eight thousand, nine hundred thirty-eight".