244353421 has 8 divisors (see below), whose sum is σ = 263458944. Its totient is φ = 225292080.

The previous prime is 244353401. The next prime is 244353451. The reversal of 244353421 is 124353442.

It is a happy number.

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

It is not a de Polignac number, because 244353421 - 2⁷ = 244353293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244353421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244353401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936 + ... + 22126.

It is an arithmetic number, because the mean of its divisors is an integer number (32932368).

Almost surely, 2^244353421 is an apocalyptic number.

It is an amenable number.

244353421 is a deficient number, since it is larger than the sum of its proper divisors (19105523).

244353421 is a wasteful number, since it uses less digits than its factorization.

244353421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22091.

The product of its digits is 11520, while the sum is 28.

The square root of 244353421 is about 15631.8079888412. The cubic root of 244353421 is about 625.1815331880.

The spelling of 244353421 in words is "two hundred forty-four million, three hundred fifty-three thousand, four hundred twenty-one".