243476 has 6 divisors (see below), whose sum is σ = 426090. Its totient is φ = 121736.

The previous prime is 243473. The next prime is 243479. The reversal of 243476 is 674342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243473) and next prime (243479).

It can be written as a sum of positive squares in only one way, i.e., 226576 + 16900 = 476^2 + 130^2 .

It is a d-powerful number, because it can be written as 2⁹ + 4² + 4⁸ + 3¹¹ + 7² + 6³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30431 + ... + 30438.

It is an arithmetic number, because the mean of its divisors is an integer number (71015).

2²⁴³⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

243476 is a deficient number, since it is larger than the sum of its proper divisors (182614).

243476 is a wasteful number, since it uses less digits than its factorization.

243476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60873 (or 60871 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 243476 is about 493.4328728409. The cubic root of 243476 is about 62.4432337905.

The spelling of 243476 in words is "two hundred forty-three thousand, four hundred seventy-six".