4381369 has 4 divisors (see below), whose sum is σ = 4391296. Its totient is φ = 4371444.

The previous prime is 4381367. The next prime is 4381379. The reversal of 4381369 is 9631834.

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: 9631834 = 2 ⋅4815917.

It is a cyclic number.

It is not a de Polignac number, because 4381369 - 2¹ = 4381367 is a prime.

It is a super-2 number, since 2×4381369² = 38392788628322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4381361) 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, 4269 + ... + 5194.

It is an arithmetic number, because the mean of its divisors is an integer number (1097824).

Almost surely, 2^4381369 is an apocalyptic number.

It is an amenable number.

4381369 is a deficient number, since it is larger than the sum of its proper divisors (9927).

4381369 is an equidigital number, since it uses as much as digits as its factorization.

4381369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9926.

The product of its digits is 15552, while the sum is 34.

The square root of 4381369 is about 2093.1719948442. The cubic root of 4381369 is about 163.6326424425.

The spelling of 4381369 in words is "four million, three hundred eighty-one thousand, three hundred sixty-nine".