4477947 has 4 divisors (see below), whose sum is σ = 5970600. Its totient is φ = 2985296.

The previous prime is 4477937. The next prime is 4477951. The reversal of 4477947 is 7497744.

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 4477947 - 2⁴ = 4477931 is a prime.

It is a D-number.

4477947 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4477899 and 4477908.

It is not an unprimeable number, because it can be changed into a prime (4477937) 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, 746322 + ... + 746327.

It is an arithmetic number, because the mean of its divisors is an integer number (1492650).

Almost surely, 2^4477947 is an apocalyptic number.

4477947 is a deficient number, since it is larger than the sum of its proper divisors (1492653).

4477947 is a wasteful number, since it uses less digits than its factorization.

4477947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492652.

The product of its digits is 197568, while the sum is 42.

The square root of 4477947 is about 2116.1160176134. The cubic root of 4477947 is about 164.8262266010.

The spelling of 4477947 in words is "four million, four hundred seventy-seven thousand, nine hundred forty-seven".