5391387 has 16 divisors (see below), whose sum is σ = 8030880. Its totient is φ = 3574656.

The previous prime is 5391367. The next prime is 5391389. The reversal of 5391387 is 7831935.

It is not a de Polignac number, because 5391387 - 2⁷ = 5391259 is a prime.

It is an Ulam number.

5391387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5391389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5863 + ... + 6719.

It is an arithmetic number, because the mean of its divisors is an integer number (501930).

Almost surely, 2^5391387 is an apocalyptic number.

5391387 is a deficient number, since it is larger than the sum of its proper divisors (2639493).

5391387 is a wasteful number, since it uses less digits than its factorization.

5391387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1093 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 5391387 is about 2321.9360456309. The cubic root of 5391387 is about 175.3477384911.

It can be divided in two parts, 5391 and 387, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 5391387 in words is "five million, three hundred ninety-one thousand, three hundred eighty-seven".