4455947 has 4 divisors (see below), whose sum is σ = 4576416. Its totient is φ = 4335480.

The previous prime is 4455911. The next prime is 4455949. The reversal of 4455947 is 7495544.

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 4455947 - 2⁸ = 4455691 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 4455947.

It is not an unprimeable number, because it can be changed into a prime (4455949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60179 + ... + 60252.

It is an arithmetic number, because the mean of its divisors is an integer number (1144104).

Almost surely, 2^4455947 is an apocalyptic number.

4455947 is a deficient number, since it is larger than the sum of its proper divisors (120469).

4455947 is a wasteful number, since it uses less digits than its factorization.

4455947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120468.

The product of its digits is 100800, while the sum is 38.

The square root of 4455947 is about 2110.9114145316. The cubic root of 4455947 is about 164.5558548082. Note that the first 3 decimals are identical.

The spelling of 4455947 in words is "four million, four hundred fifty-five thousand, nine hundred forty-seven".