444367394 has 4 divisors (see below), whose sum is σ = 666551094. Its totient is φ = 222183696.

The previous prime is 444367393. The next prime is 444367397. The reversal of 444367394 is 493763444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 324180025 + 120187369 = 18005^2 + 10963^2 .

It is not an unprimeable number, because it can be changed into a prime (444367393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111091847 + ... + 111091850.

Almost surely, 2^444367394 is an apocalyptic number.

444367394 is a deficient number, since it is larger than the sum of its proper divisors (222183700).

444367394 is a wasteful number, since it uses less digits than its factorization.

444367394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222183699.

The product of its digits is 870912, while the sum is 44.

The square root of 444367394 is about 21080.0235768369. The cubic root of 444367394 is about 763.0987254496.

The spelling of 444367394 in words is "four hundred forty-four million, three hundred sixty-seven thousand, three hundred ninety-four".