4400007 has 8 divisors (see below), whose sum is σ = 5977584. Its totient is φ = 2877888.

The previous prime is 4399987. The next prime is 4400021. The reversal of 4400007 is 7000044.

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

It is not a de Polignac number, because 4400007 - 2⁶ = 4399943 is a prime.

It is an Ulam number.

4400007 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400027) 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, 13678 + ... + 13995.

It is an arithmetic number, because the mean of its divisors is an integer number (747198).

Almost surely, 2^4400007 is an apocalyptic number.

4400007 is a deficient number, since it is larger than the sum of its proper divisors (1577577).

4400007 is a wasteful number, since it uses less digits than its factorization.

4400007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27729.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 4400007 is about 2097.6193648992. The cubic root of 4400007 is about 163.8643410178.

The spelling of 4400007 in words is "four million, four hundred thousand, seven".