5381639 has 4 divisors (see below), whose sum is σ = 5698224. Its totient is φ = 5065056.

The previous prime is 5381627. The next prime is 5381653. The reversal of 5381639 is 9361835.

5381639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5381639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5381599 and 5381608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158267 + ... + 158300.

It is an arithmetic number, because the mean of its divisors is an integer number (1424556).

Almost surely, 2^5381639 is an apocalyptic number.

5381639 is a deficient number, since it is larger than the sum of its proper divisors (316585).

5381639 is a wasteful number, since it uses less digits than its factorization.

5381639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316584.

The product of its digits is 19440, while the sum is 35.

The square root of 5381639 is about 2319.8359855817. The cubic root of 5381639 is about 175.2419944613.

The spelling of 5381639 in words is "five million, three hundred eighty-one thousand, six hundred thirty-nine".