4400806 has 4 divisors (see below), whose sum is σ = 6601212. Its totient is φ = 2200402.

The previous prime is 4400801. The next prime is 4400813. The reversal of 4400806 is 6080044.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100200 + ... + 1100203.

It is an arithmetic number, because the mean of its divisors is an integer number (1650303).

Almost surely, 2^4400806 is an apocalyptic number.

4400806 is a deficient number, since it is larger than the sum of its proper divisors (2200406).

4400806 is a wasteful number, since it uses less digits than its factorization.

4400806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200405.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4400806 is about 2097.8098102545. The cubic root of 4400806 is about 163.8742591599.

The spelling of 4400806 in words is "four million, four hundred thousand, eight hundred six".