4398394 has 40 divisors (see below), whose sum is σ = 8911008. Its totient is φ = 1581840.

The previous prime is 4398371. The next prime is 4398397. The reversal of 4398394 is 4938934.

Its product of digits (93312) is a multiple of the sum of its prime factors (72).

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 338332 + ... + 338344.

Almost surely, 2^4398394 is an apocalyptic number.

4398394 is an abundant number, since it is smaller than the sum of its proper divisors (4512614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4398394 is an equidigital number, since it uses as much as digits as its factorization.

4398394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 33 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 4398394 is about 2097.2348461725. The cubic root of 4398394 is about 163.8443148764.

The spelling of 4398394 in words is "four million, three hundred ninety-eight thousand, three hundred ninety-four".