4444406 has 4 divisors (see below), whose sum is σ = 6666612. Its totient is φ = 2222202.

The previous prime is 4444397. The next prime is 4444409. The reversal of 4444406 is 6044444.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111100 + ... + 1111103.

It is an arithmetic number, because the mean of its divisors is an integer number (1666653).

Almost surely, 2^4444406 is an apocalyptic number.

4444406 is a deficient number, since it is larger than the sum of its proper divisors (2222206).

4444406 is a wasteful number, since it uses less digits than its factorization.

4444406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222205.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 4444406 is about 2108.1759888586. The cubic root of 4444406 is about 164.4136642266.

The spelling of 4444406 in words is "four million, four hundred forty-four thousand, four hundred six".