444443698 has 4 divisors (see below), whose sum is σ = 666665550. Its totient is φ = 222221848.

The previous prime is 444443689. The next prime is 444443711. The reversal of 444443698 is 896344444.

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., 432931249 + 11512449 = 20807^2 + 3393^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110923 + ... + 111110926.

Almost surely, 2^444443698 is an apocalyptic number.

444443698 is a deficient number, since it is larger than the sum of its proper divisors (222221852).

444443698 is a wasteful number, since it uses less digits than its factorization.

444443698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222221851.

The product of its digits is 1327104, while the sum is 46.

The square root of 444443698 is about 21081.8333642973. The cubic root of 444443698 is about 763.1424011359.

The spelling of 444443698 in words is "four hundred forty-four million, four hundred forty-three thousand, six hundred ninety-eight".