5278838 has 4 divisors (see below), whose sum is σ = 7918260. Its totient is φ = 2639418.

The previous prime is 5278831. The next prime is 5278843. The reversal of 5278838 is 8388725.

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

It is a super-2 number, since 2×5278838² = 55732261260488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5278795 and 5278804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319708 + ... + 1319711.

It is an arithmetic number, because the mean of its divisors is an integer number (1979565).

Almost surely, 2^5278838 is an apocalyptic number.

5278838 is a deficient number, since it is larger than the sum of its proper divisors (2639422).

5278838 is a wasteful number, since it uses less digits than its factorization.

5278838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639421.

The product of its digits is 107520, while the sum is 41.

The square root of 5278838 is about 2297.5721969070. The cubic root of 5278838 is about 174.1189788271.

It can be divided in two parts, 5278 and 838, that added together give a palindrome (6116).

The spelling of 5278838 in words is "five million, two hundred seventy-eight thousand, eight hundred thirty-eight".