444243273 has 8 divisors (see below), whose sum is σ = 602364000. Its totient is φ = 291142368.

The previous prime is 444243259. The next prime is 444243287. The reversal of 444243273 is 372342444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (444243259) and next prime (444243287).

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

It is not a de Polignac number, because 444243273 - 2¹² = 444239177 is a prime.

It is a super-3 number, since 3×444243273³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (444243073) 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, 1254748 + ... + 1255101.

It is an arithmetic number, because the mean of its divisors is an integer number (75295500).

Almost surely, 2^444243273 is an apocalyptic number.

It is an amenable number.

444243273 is a deficient number, since it is larger than the sum of its proper divisors (158120727).

444243273 is a wasteful number, since it uses less digits than its factorization.

444243273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509911.

The product of its digits is 64512, while the sum is 33.

The square root of 444243273 is about 21077.0793280283. The cubic root of 444243273 is about 763.0276690832.

The spelling of 444243273 in words is "four hundred forty-four million, two hundred forty-three thousand, two hundred seventy-three".