444323477 has 20 divisors (see below), whose sum is σ = 493075776. Its totient is φ = 400205520.

The previous prime is 444323461. The next prime is 444323489. The reversal of 444323477 is 774323444.

It is not a de Polignac number, because 444323477 - 2⁴ = 444323461 is a prime.

It is a super-3 number, since 3×444323477³ (a number of 27 digits) contains 333 as substring.

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 444323477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444323447) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1342202 + ... + 1342532.

Almost surely, 2^444323477 is an apocalyptic number.

444323477 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

444323477 is a deficient number, since it is larger than the sum of its proper divisors (48752299).

444323477 is an frugal number, since it uses more digits than its factorization.

444323477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 391 counting only the distinct ones).

The product of its digits is 225792, while the sum is 38.

The square root of 444323477 is about 21078.9818776904. The cubic root of 444323477 is about 763.0735855081.

The spelling of 444323477 in words is "four hundred forty-four million, three hundred twenty-three thousand, four hundred seventy-seven".