4399603490 has 8 divisors (see below), whose sum is σ = 7919286300. Its totient is φ = 1759841392.

The previous prime is 4399603471. The next prime is 4399603499. The reversal of 4399603490 is 943069934.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3938943121 + 460660369 = 62761^2 + 21463^2 .

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

It is a super-3 number, since 3×4399603490³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4399603499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219980165 + ... + 219980184.

Almost surely, 2^4399603490 is an apocalyptic number.

4399603490 is a deficient number, since it is larger than the sum of its proper divisors (3519682810).

4399603490 is a wasteful number, since it uses less digits than its factorization.

4399603490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439960356.

The product of its (nonzero) digits is 629856, while the sum is 47.

The square root of 4399603490 is about 66329.5069331892. The cubic root of 4399603490 is about 1638.5933171352.

The spelling of 4399603490 in words is "four billion, three hundred ninety-nine million, six hundred three thousand, four hundred ninety".