4347381 has 4 divisors (see below), whose sum is σ = 5796512. Its totient is φ = 2898252.

The previous prime is 4347379. The next prime is 4347403. The reversal of 4347381 is 1837434.

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 not a de Polignac number, because 4347381 - 2¹ = 4347379 is a prime.

It is a super-2 number, since 2×4347381² = 37799443118322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4347381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4347311) 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, 724561 + ... + 724566.

It is an arithmetic number, because the mean of its divisors is an integer number (1449128).

Almost surely, 2^4347381 is an apocalyptic number.

It is an amenable number.

4347381 is a deficient number, since it is larger than the sum of its proper divisors (1449131).

4347381 is a wasteful number, since it uses less digits than its factorization.

4347381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449130.

The product of its digits is 8064, while the sum is 30.

The square root of 4347381 is about 2085.0374097363. The cubic root of 4347381 is about 163.2084227078.

The spelling of 4347381 in words is "four million, three hundred forty-seven thousand, three hundred eighty-one".