514440 has 48 divisors (see below), whose sum is σ = 1673100. Its totient is φ = 137088.

The previous prime is 514433. The next prime is 514453. The reversal of 514440 is 44415.

It can be written as a sum of positive squares in 2 ways, for example, as 459684 + 54756 = 678^2 + 234^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

514440 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355 + ... + 1074.

2⁵¹⁴⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

514440 is an abundant number, since it is smaller than the sum of its proper divisors (1158660).

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

514440 is a wasteful number, since it uses less digits than its factorization.

514440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 514440 is about 717.2447281089. The cubic root of 514440 is about 80.1268819890.

Adding to 514440 its reverse (44415), we get a palindrome (558855).

It can be divided in two parts, 5144 and 40, that added together give a square (5184 = 72²).

The spelling of 514440 in words is "five hundred fourteen thousand, four hundred forty".