6342381 has 10 divisors (see below), whose sum is σ = 9474542. Its totient is φ = 4228200.

The previous prime is 6342379. The next prime is 6342389. The reversal of 6342381 is 1832436.

It is a happy number.

6342381 is a `hidden beast` number, since 634 + 23 + 8 + 1 = 666.

6342381 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4137156 + 2205225 = 2034^2 + 1485^2 .

It is not a de Polignac number, because 6342381 - 2¹ = 6342379 is a prime.

It is a super-2 number, since 2×6342381² = 80451593498322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6342389) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39070 + ... + 39231.

Almost surely, 2^6342381 is an apocalyptic number.

It is an amenable number.

6342381 is a deficient number, since it is larger than the sum of its proper divisors (3132161).

6342381 is an equidigital number, since it uses as much as digits as its factorization.

6342381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78313 (or 78304 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 6342381 is about 2518.4084259707. The cubic root of 6342381 is about 185.1046984667.

It can be divided in two parts, 63423 and 81, that added together give a square (63504 = 252²).

The spelling of 6342381 in words is "six million, three hundred forty-two thousand, three hundred eighty-one".