247466 has 4 divisors (see below), whose sum is σ = 371202. Its totient is φ = 123732.

The previous prime is 247463. The next prime is 247501. The reversal of 247466 is 664742.

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., 177241 + 70225 = 421^2 + 265^2 .

It is a super-2 number, since 2×247466² = 122478842312, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247466.

It is not an unprimeable number, because it can be changed into a prime (247463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61865 + ... + 61868.

2²⁴⁷⁴⁶⁶ is an apocalyptic number.

247466 is a deficient number, since it is larger than the sum of its proper divisors (123736).

247466 is a wasteful number, since it uses less digits than its factorization.

247466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123735.

The product of its digits is 8064, while the sum is 29.

The square root of 247466 is about 497.4595460940. The cubic root of 247466 is about 62.7824866306.

The spelling of 247466 in words is "two hundred forty-seven thousand, four hundred sixty-six".