444686248 has 8 divisors (see below), whose sum is σ = 833786730. Its totient is φ = 222343120.

The previous prime is 444686197. The next prime is 444686257. The reversal of 444686248 is 842686444.

It can be written as a sum of positive squares in only one way, i.e., 439405444 + 5280804 = 20962^2 + 2298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 444686198 and 444686207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27792883 + ... + 27792898.

Almost surely, 2^444686248 is an apocalyptic number.

It is an amenable number.

444686248 is a deficient number, since it is larger than the sum of its proper divisors (389100482).

444686248 is a wasteful number, since it uses less digits than its factorization.

444686248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55585787 (or 55585783 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 46.

The square root of 444686248 is about 21087.5851628393. The cubic root of 444686248 is about 763.2812012646.

The spelling of 444686248 in words is "four hundred forty-four million, six hundred eighty-six thousand, two hundred forty-eight".