544387 has 4 divisors (see below), whose sum is σ = 568080. Its totient is φ = 520696.

The previous prime is 544373. The next prime is 544399. The reversal of 544387 is 783445.

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

It is a cyclic number.

It is not a de Polignac number, because 544387 - 2⁷ = 544259 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544367) 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, 11812 + ... + 11857.

It is an arithmetic number, because the mean of its divisors is an integer number (142020).

2⁵⁴⁴³⁸⁷ is an apocalyptic number.

544387 is a deficient number, since it is larger than the sum of its proper divisors (23693).

544387 is a wasteful number, since it uses less digits than its factorization.

544387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23692.

The product of its digits is 13440, while the sum is 31.

The square root of 544387 is about 737.8258602136. The cubic root of 544387 is about 81.6524552994.

It can be divided in two parts, 54438 and 7, that added together give a palindrome (54445).

The spelling of 544387 in words is "five hundred forty-four thousand, three hundred eighty-seven".