244821398 has 4 divisors (see below), whose sum is σ = 367232100. Its totient is φ = 122410698.

The previous prime is 244821397. The next prime is 244821413. The reversal of 244821398 is 893128442.

244821398 is digitally balanced in base 3, 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: 893128442 = 2 ⋅446564221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244821391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61205348 + ... + 61205351.

It is an arithmetic number, because the mean of its divisors is an integer number (91808025).

Almost surely, 2^244821398 is an apocalyptic number.

244821398 is a deficient number, since it is larger than the sum of its proper divisors (122410702).

244821398 is a wasteful number, since it uses less digits than its factorization.

244821398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122410701.

The product of its digits is 110592, while the sum is 41.

The square root of 244821398 is about 15646.7695707453. The cubic root of 244821398 is about 625.5803871677.

The spelling of 244821398 in words is "two hundred forty-four million, eight hundred twenty-one thousand, three hundred ninety-eight".