244978 has 4 divisors (see below), whose sum is σ = 367470. Its totient is φ = 122488.

The previous prime is 244957. The next prime is 244997. The reversal of 244978 is 879442.

It is a happy number.

244978 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

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., 178929 + 66049 = 423^2 + 257^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61243 + ... + 61246.

2²⁴⁴⁹⁷⁸ is an apocalyptic number.

244978 is a deficient number, since it is larger than the sum of its proper divisors (122492).

244978 is a wasteful number, since it uses less digits than its factorization.

244978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122491.

The product of its digits is 16128, while the sum is 34.

The square root of 244978 is about 494.9525229757. The cubic root of 244978 is about 62.5713744600.

The spelling of 244978 in words is "two hundred forty-four thousand, nine hundred seventy-eight".