6289381 has 4 divisors (see below), whose sum is σ = 7187872. Its totient is φ = 5390892.

The previous prime is 6289379. The next prime is 6289397. The reversal of 6289381 is 1839826.

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: 1839826 = 2 ⋅919913.

It is a cyclic number.

It is not a de Polignac number, because 6289381 - 2¹ = 6289379 is a prime.

It is a super-2 number, since 2×6289381² = 79112626726322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6289381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6289981) 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, 449235 + ... + 449248.

It is an arithmetic number, because the mean of its divisors is an integer number (1796968).

Almost surely, 2^6289381 is an apocalyptic number.

It is an amenable number.

6289381 is a deficient number, since it is larger than the sum of its proper divisors (898491).

6289381 is an equidigital number, since it uses as much as digits as its factorization.

6289381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898490.

The product of its digits is 20736, while the sum is 37.

The square root of 6289381 is about 2507.8638320292. The cubic root of 6289381 is about 184.5876474399.

It can be divided in two parts, 6289 and 381, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 6289381 in words is "six million, two hundred eighty-nine thousand, three hundred eighty-one".