4399505938 has 8 divisors (see below), whose sum is σ = 6723773388. Its totient is φ = 2158248144.

The previous prime is 4399505927. The next prime is 4399505959. The reversal of 4399505938 is 8395059934.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4191656049 + 207849889 = 64743^2 + 14417^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20752281 + ... + 20752492.

Almost surely, 2^4399505938 is an apocalyptic number.

4399505938 is a deficient number, since it is larger than the sum of its proper divisors (2324267450).

4399505938 is a wasteful number, since it uses less digits than its factorization.

4399505938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41504828.

The product of its (nonzero) digits is 5248800, while the sum is 55.

The square root of 4399505938 is about 66328.7715701113. The cubic root of 4399505938 is about 1638.5812062532.

The spelling of 4399505938 in words is "four billion, three hundred ninety-nine million, five hundred five thousand, nine hundred thirty-eight".