244862421 has 8 divisors (see below), whose sum is σ = 331356384. Its totient is φ = 160805040.

The previous prime is 244862419. The next prime is 244862473. The reversal of 244862421 is 124268442.

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

It is not a de Polignac number, because 244862421 - 2¹ = 244862419 is a prime.

It is a super-3 number, since 3×244862421³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244866421) 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, 608910 + ... + 609311.

It is an arithmetic number, because the mean of its divisors is an integer number (41419548).

Almost surely, 2^244862421 is an apocalyptic number.

It is an amenable number.

244862421 is a deficient number, since it is larger than the sum of its proper divisors (86493963).

244862421 is a wasteful number, since it uses less digits than its factorization.

244862421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218291.

The product of its digits is 24576, while the sum is 33.

The square root of 244862421 is about 15648.0804254068. The cubic root of 244862421 is about 625.6153265850.

The spelling of 244862421 in words is "two hundred forty-four million, eight hundred sixty-two thousand, four hundred twenty-one".