244920493 has 4 divisors (see below), whose sum is σ = 247167580. Its totient is φ = 242673408.

The previous prime is 244920463. The next prime is 244920497. The reversal of 244920493 is 394029442.

244920493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394029442 = 2 ⋅197014721.

It can be written as a sum of positive squares in 2 ways, for example, as 197627364 + 47293129 = 14058^2 + 6877^2 .

It is a cyclic number.

It is not a de Polignac number, because 244920493 - 2⁹ = 244919981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244920497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123380 + ... + 1123597.

It is an arithmetic number, because the mean of its divisors is an integer number (61791895).

Almost surely, 2^244920493 is an apocalyptic number.

It is an amenable number.

244920493 is a deficient number, since it is larger than the sum of its proper divisors (2247087).

244920493 is a wasteful number, since it uses less digits than its factorization.

244920493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247086.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 244920493 is about 15649.9358784629. The cubic root of 244920493 is about 625.6647800173.

The spelling of 244920493 in words is "two hundred forty-four million, nine hundred twenty thousand, four hundred ninety-three".