244355421 has 8 divisors (see below), whose sum is σ = 337042080. Its totient is φ = 157286192.

The previous prime is 244355411. The next prime is 244355431. The reversal of 244355421 is 124553442.

It is an interprime number because it is at equal distance from previous prime (244355411) and next prime (244355431).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244355421 - 2⁵ = 244355389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244355401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404255 + ... + 1404428.

It is an arithmetic number, because the mean of its divisors is an integer number (42130260).

Almost surely, 2^244355421 is an apocalyptic number.

It is an amenable number.

244355421 is a deficient number, since it is larger than the sum of its proper divisors (92686659).

244355421 is a wasteful number, since it uses less digits than its factorization.

244355421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808715.

The product of its digits is 19200, while the sum is 30.

The square root of 244355421 is about 15631.8719608369. The cubic root of 244355421 is about 625.1832388590.

The spelling of 244355421 in words is "two hundred forty-four million, three hundred fifty-five thousand, four hundred twenty-one".