444984487 has 8 divisors (see below), whose sum is σ = 450551952. Its totient is φ = 439440000.

The previous prime is 444984481. The next prime is 444984499. The reversal of 444984487 is 784489444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444984487 - 2³ = 444984479 is a prime.

It is a super-2 number, since 2×444984487² = 396022387341306338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444984481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35008 + ... + 45994.

It is an arithmetic number, because the mean of its divisors is an integer number (56318994).

Almost surely, 2^444984487 is an apocalyptic number.

444984487 is a deficient number, since it is larger than the sum of its proper divisors (5567465).

444984487 is a wasteful number, since it uses less digits than its factorization.

444984487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11489.

The product of its digits is 4128768, while the sum is 52.

The square root of 444984487 is about 21094.6554131609. The cubic root of 444984487 is about 763.4518004616.

The spelling of 444984487 in words is "four hundred forty-four million, nine hundred eighty-four thousand, four hundred eighty-seven".