4394897 has 8 divisors (see below), whose sum is σ = 4861416. Its totient is φ = 3946752.

The previous prime is 4394893. The next prime is 4394899. The reversal of 4394897 is 7984934.

It can be written as a sum of positive squares in 4 ways, for example, as 30976 + 4363921 = 176^2 + 2089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4394897 - 2² = 4394893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4394893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4088 + ... + 5049.

It is an arithmetic number, because the mean of its divisors is an integer number (607677).

Almost surely, 2^4394897 is an apocalyptic number.

It is an amenable number.

4394897 is a deficient number, since it is larger than the sum of its proper divisors (466519).

4394897 is a wasteful number, since it uses less digits than its factorization.

4394897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9187.

The product of its digits is 217728, while the sum is 44.

The square root of 4394897 is about 2096.4009635564. The cubic root of 4394897 is about 163.8008811834.

The spelling of 4394897 in words is "four million, three hundred ninety-four thousand, eight hundred ninety-seven".