444239929 has 9 divisors (see below), whose sum is σ = 516940581. Its totient is φ = 380650620.

The previous prime is 444239891. The next prime is 444239933. The reversal of 444239929 is 929932444.

The square root of 444239929 is 21077.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 444239929 - 2¹³ = 444231737 is a prime.

It is a super-2 number, since 2×444239929² = 394698229035850082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444239959) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 146034 + ... + 149044.

Almost surely, 2^444239929 is an apocalyptic number.

444239929 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

444239929 is the 21077-th square number.

444239929 is the 10539-th centered octagonal number.

It is an amenable number.

444239929 is a deficient number, since it is larger than the sum of its proper divisors (72700652).

444239929 is an frugal number, since it uses more digits than its factorization.

444239929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6036 (or 3018 counting only the distinct ones).

The product of its digits is 559872, while the sum is 46.

The cubic root of 444239929 is about 763.0257545385.

The spelling of 444239929 in words is "four hundred forty-four million, two hundred thirty-nine thousand, nine hundred twenty-nine".