4493381 has 4 divisors (see below), whose sum is σ = 4569600. Its totient is φ = 4417164.

The previous prime is 4493353. The next prime is 4493383. The reversal of 4493381 is 1833944.

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.

It is a cyclic number.

It is not a de Polignac number, because 4493381 - 2¹⁰ = 4492357 is a prime.

It is a super-2 number, since 2×4493381² = 40380945622322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38021 + ... + 38138.

It is an arithmetic number, because the mean of its divisors is an integer number (1142400).

Almost surely, 2^4493381 is an apocalyptic number.

It is an amenable number.

4493381 is a deficient number, since it is larger than the sum of its proper divisors (76219).

4493381 is an equidigital number, since it uses as much as digits as its factorization.

4493381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76218.

The product of its digits is 10368, while the sum is 32.

The square root of 4493381 is about 2119.7596561875. The cubic root of 4493381 is about 165.0153765896.

The spelling of 4493381 in words is "four million, four hundred ninety-three thousand, three hundred eighty-one".