4394641 has 4 divisors (see below), whose sum is σ = 4488192. Its totient is φ = 4301092.

The previous prime is 4394639. The next prime is 4394651. The reversal of 4394641 is 1464934.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1464934 = 2 ⋅732467.

It is a cyclic number.

It is not a de Polignac number, because 4394641 - 2¹ = 4394639 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

4394641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4394651) 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, 46705 + ... + 46798.

It is an arithmetic number, because the mean of its divisors is an integer number (1122048).

Almost surely, 2^4394641 is an apocalyptic number.

It is an amenable number.

4394641 is a deficient number, since it is larger than the sum of its proper divisors (93551).

4394641 is an equidigital number, since it uses as much as digits as its factorization.

4394641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93550.

The product of its digits is 10368, while the sum is 31.

The square root of 4394641 is about 2096.3399056451. The cubic root of 4394641 is about 163.7977006887.

The spelling of 4394641 in words is "four million, three hundred ninety-four thousand, six hundred forty-one".