444289698 has 20 divisors (see below), whose sum is σ = 995538390. Its totient is φ = 148096512.

The previous prime is 444289687. The next prime is 444289709. The reversal of 444289698 is 896982444.

444289698 is a `hidden beast` number, since 44 + 428 + 96 + 98 = 666.

It is an interprime number because it is at equal distance from previous prime (444289687) and next prime (444289709).

It can be written as a sum of positive squares in only one way, i.e., 427372929 + 16916769 = 20673^2 + 4113^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1371103 + ... + 1371426.

Almost surely, 2^444289698 is an apocalyptic number.

444289698 is an abundant number, since it is smaller than the sum of its proper divisors (551248692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444289698 is a wasteful number, since it uses less digits than its factorization.

444289698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742543 (or 2742534 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 444289698 is about 21078.1806140853. The cubic root of 444289698 is about 763.0542478580.

The spelling of 444289698 in words is "four hundred forty-four million, two hundred eighty-nine thousand, six hundred ninety-eight".