514840 has 32 divisors (see below), whose sum is σ = 1182960. Its totient is φ = 201600.

The previous prime is 514831. The next prime is 514841. The reversal of 514840 is 48415.

514840 is nontrivially palindromic in base 15.

514840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (22) 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 (514841) by changing a digit.

514840 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335 + ... + 2545.

2⁵¹⁴⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591480).

514840 is an abundant number, since it is smaller than the sum of its proper divisors (668120).

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

514840 is a wasteful number, since it uses less digits than its factorization.

514840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 514840 is about 717.5235187783. The cubic root of 514840 is about 80.1476440146.

The spelling of 514840 in words is "five hundred fourteen thousand, eight hundred forty".