514478 has 4 divisors (see below), whose sum is σ = 771720. Its totient is φ = 257238.

The previous prime is 514453. The next prime is 514499. The reversal of 514478 is 874415.

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

It is a super-2 number, since 2×514478² = 529375224968, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 514478.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 514478.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128618 + ... + 128621.

It is an arithmetic number, because the mean of its divisors is an integer number (192930).

2⁵¹⁴⁴⁷⁸ is an apocalyptic number.

514478 is a deficient number, since it is larger than the sum of its proper divisors (257242).

514478 is a wasteful number, since it uses less digits than its factorization.

514478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257241.

The product of its digits is 4480, while the sum is 29.

The square root of 514478 is about 717.2712178807. The cubic root of 514478 is about 80.1288548439.

It can be divided in two parts, 5 and 14478, that multiplied together give a triangular number (72390 = T₃₈₀).

The spelling of 514478 in words is "five hundred fourteen thousand, four hundred seventy-eight".