4479997 has 4 divisors (see below), whose sum is σ = 4601116. Its totient is φ = 4358880.

The previous prime is 4479989. The next prime is 4480001. The reversal of 4479997 is 7999744.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2869636 + 1610361 = 1694^2 + 1269^2 .

It is a cyclic number.

It is not a de Polignac number, because 4479997 - 2³ = 4479989 is a prime.

It is a Duffinian number.

4479997 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4479997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4479907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60504 + ... + 60577.

It is an arithmetic number, because the mean of its divisors is an integer number (1150279).

Almost surely, 2^4479997 is an apocalyptic number.

It is an amenable number.

4479997 is a deficient number, since it is larger than the sum of its proper divisors (121119).

4479997 is a wasteful number, since it uses less digits than its factorization.

4479997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121118.

The product of its digits is 571536, while the sum is 49.

The square root of 4479997 is about 2116.6003401682. The cubic root of 4479997 is about 164.8513751951.

It can be divided in two parts, 4479 and 997, that added together give a square (5476 = 74²).

The spelling of 4479997 in words is "four million, four hundred seventy-nine thousand, nine hundred ninety-seven".