544390 has 48 divisors (see below), whose sum is σ = 1255824. Its totient is φ = 168000.

The previous prime is 544373. The next prime is 544399. The reversal of 544390 is 93445.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5340 + ... + 5440.

It is an arithmetic number, because the mean of its divisors is an integer number (26163).

2⁵⁴⁴³⁹⁰ is an apocalyptic number.

544390 is an abundant number, since it is smaller than the sum of its proper divisors (711434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544390 is a wasteful number, since it uses less digits than its factorization.

544390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 544390 is about 737.8278932109. The cubic root of 544390 is about 81.6526052888.

It can be divided in two parts, 54 and 4390, that added together give a palindrome (4444).

The spelling of 544390 in words is "five hundred forty-four thousand, three hundred ninety".