4394291 has 4 divisors (see below), whose sum is σ = 4793784. Its totient is φ = 3994800.

The previous prime is 4394287. The next prime is 4394293. The reversal of 4394291 is 1924934.

It is a happy number.

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 4394291 - 2² = 4394287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4394293) 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, 199730 + ... + 199751.

It is an arithmetic number, because the mean of its divisors is an integer number (1198446).

Almost surely, 2^4394291 is an apocalyptic number.

4394291 is a deficient number, since it is larger than the sum of its proper divisors (399493).

4394291 is a wasteful number, since it uses less digits than its factorization.

4394291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399492.

The product of its digits is 7776, while the sum is 32.

The square root of 4394291 is about 2096.2564251541. The cubic root of 4394291 is about 163.7933521563.

The spelling of 4394291 in words is "four million, three hundred ninety-four thousand, two hundred ninety-one".