478274 has 4 divisors (see below), whose sum is σ = 717414. Its totient is φ = 239136.

The previous prime is 478273. The next prime is 478321. The reversal of 478274 is 472874.

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

It can be written as a sum of positive squares in only one way, i.e., 243049 + 235225 = 493^2 + 485^2 .

It is a d-powerful number, because it can be written as 4⁸ + 7² + 2⁷ + 8⁵ + 7⁶ + 4⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 478274.

It is not an unprimeable number, because it can be changed into a prime (478271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119567 + ... + 119570.

2⁴⁷⁸²⁷⁴ is an apocalyptic number.

478274 is a deficient number, since it is larger than the sum of its proper divisors (239140).

478274 is a wasteful number, since it uses less digits than its factorization.

478274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239139.

The product of its digits is 12544, while the sum is 32.

The square root of 478274 is about 691.5735680316. The cubic root of 478274 is about 78.2033920337.

The spelling of 478274 in words is "four hundred seventy-eight thousand, two hundred seventy-four".