4405999 has 18 divisors (see below), whose sum is σ = 5100576. Its totient is φ = 3800160.

The previous prime is 4405991. The next prime is 4406021. The reversal of 4405999 is 9995044.

It is not a de Polignac number, because 4405999 - 2³ = 4405991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405991) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 142114 + ... + 142144.

Almost surely, 2^4405999 is an apocalyptic number.

4405999 is a deficient number, since it is larger than the sum of its proper divisors (694577).

4405999 is a wasteful number, since it uses less digits than its factorization.

4405999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 4405999 is about 2099.0471647869. The cubic root of 4405999 is about 163.9386916387.

The spelling of 4405999 in words is "four million, four hundred five thousand, nine hundred ninety-nine".