4400947 has 4 divisors (see below), whose sum is σ = 4426560. Its totient is φ = 4375336.

The previous prime is 4400927. The next prime is 4400959. The reversal of 4400947 is 7490044.

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 4400947 - 2⁷ = 4400819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4400917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12547 + ... + 12892.

It is an arithmetic number, because the mean of its divisors is an integer number (1106640).

Almost surely, 2^4400947 is an apocalyptic number.

4400947 is a deficient number, since it is larger than the sum of its proper divisors (25613).

4400947 is a wasteful number, since it uses less digits than its factorization.

4400947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25612.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4400947 is about 2097.8434164637. The cubic root of 4400947 is about 163.8760092957.

The spelling of 4400947 in words is "four million, four hundred thousand, nine hundred forty-seven".