4394997 has 6 divisors (see below), whose sum is σ = 6348342. Its totient is φ = 2929992.

The previous prime is 4394983. The next prime is 4395029. The reversal of 4394997 is 7994934.

It can be written as a sum of positive squares in only one way, i.e., 2792241 + 1602756 = 1671^2 + 1266^2 .

It is not a de Polignac number, because 4394997 - 2¹⁹ = 3870709 is a prime.

It is a d-powerful number, because it can be written as 4² + 3¹¹ + 9² + 4¹¹ + 9² + 9⁴ + 7⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394917) 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 5 ways as a sum of consecutive naturals, for example, 244158 + ... + 244175.

It is an arithmetic number, because the mean of its divisors is an integer number (1058057).

Almost surely, 2^4394997 is an apocalyptic number.

It is an amenable number.

4394997 is a deficient number, since it is larger than the sum of its proper divisors (1953345).

4394997 is a wasteful number, since it uses less digits than its factorization.

4394997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488339 (or 488336 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 4394997 is about 2096.4248138199. The cubic root of 4394997 is about 163.8021235306.

The spelling of 4394997 in words is "four million, three hundred ninety-four thousand, nine hundred ninety-seven".