5391838 has 8 divisors (see below), whose sum is σ = 8133480. Its totient is φ = 2680680.

The previous prime is 5391823. The next prime is 5391857. The reversal of 5391838 is 8381935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5391797 and 5391806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7173 + ... + 7888.

It is an arithmetic number, because the mean of its divisors is an integer number (1016685).

Almost surely, 2^5391838 is an apocalyptic number.

5391838 is a deficient number, since it is larger than the sum of its proper divisors (2741642).

5391838 is a wasteful number, since it uses less digits than its factorization.

5391838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15242.

The product of its digits is 25920, while the sum is 37.

The square root of 5391838 is about 2322.0331608313. The cubic root of 5391838 is about 175.3526277478.

It can be divided in two parts, 53918 and 38, that added together give a triangular number (53956 = T₃₂₈).

The spelling of 5391838 in words is "five million, three hundred ninety-one thousand, eight hundred thirty-eight".