244361421 has 32 divisors (see below), whose sum is σ = 370406400. Its totient is φ = 159168240.

The previous prime is 244361401. The next prime is 244361443. The reversal of 244361421 is 124163442.

It is a happy number.

244361421 is a `hidden beast` number, since 2 + 4 + 43 + 614 + 2 + 1 = 666.

It is not a de Polignac number, because 244361421 - 2²³ = 235972813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244361401) 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 31 ways as a sum of consecutive naturals, for example, 335760 + ... + 336486.

It is an arithmetic number, because the mean of its divisors is an integer number (11575200).

Almost surely, 2^244361421 is an apocalyptic number.

It is an amenable number.

244361421 is a deficient number, since it is larger than the sum of its proper divisors (126044979).

244361421 is a wasteful number, since it uses less digits than its factorization.

244361421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1000 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 244361421 is about 15632.0638752533. The cubic root of 244361421 is about 625.1883558163.

The spelling of 244361421 in words is "two hundred forty-four million, three hundred sixty-one thousand, four hundred twenty-one".