444634401 has 4 divisors (see below), whose sum is σ = 592845872. Its totient is φ = 296422932.

The previous prime is 444634397. The next prime is 444634427. The reversal of 444634401 is 104436444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 444634401 - 2² = 444634397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444634481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74105731 + ... + 74105736.

It is an arithmetic number, because the mean of its divisors is an integer number (148211468).

Almost surely, 2^444634401 is an apocalyptic number.

It is an amenable number.

444634401 is a deficient number, since it is larger than the sum of its proper divisors (148211471).

444634401 is a wasteful number, since it uses less digits than its factorization.

444634401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148211470.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 444634401 is about 21086.3558017975. The cubic root of 444634401 is about 763.2515358704.

The spelling of 444634401 in words is "four hundred forty-four million, six hundred thirty-four thousand, four hundred one".