4405007 has 4 divisors (see below), whose sum is σ = 4547136. Its totient is φ = 4262880.

The previous prime is 4405003. The next prime is 4405021. The reversal of 4405007 is 7005044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4405007 - 2² = 4405003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4405007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405003) 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, 71018 + ... + 71079.

It is an arithmetic number, because the mean of its divisors is an integer number (1136784).

Almost surely, 2^4405007 is an apocalyptic number.

4405007 is a deficient number, since it is larger than the sum of its proper divisors (142129).

4405007 is a wasteful number, since it uses less digits than its factorization.

4405007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142128.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 4405007 is about 2098.8108537932. The cubic root of 4405007 is about 163.9263872488.

The spelling of 4405007 in words is "four million, four hundred five thousand, seven".