4348381 has 4 divisors (see below), whose sum is σ = 4370652. Its totient is φ = 4326112.

The previous prime is 4348369. The next prime is 4348411. The reversal of 4348381 is 1838434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4239481 + 108900 = 2059^2 + 330^2 .

It is a cyclic number.

It is not a de Polignac number, because 4348381 - 2²¹ = 2251229 is a prime.

It is a super-2 number, since 2×4348381² = 37816834642322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4348301) 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, 10840 + ... + 11233.

It is an arithmetic number, because the mean of its divisors is an integer number (1092663).

Almost surely, 2^4348381 is an apocalyptic number.

It is an amenable number.

4348381 is a deficient number, since it is larger than the sum of its proper divisors (22271).

4348381 is a wasteful number, since it uses less digits than its factorization.

4348381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22270.

The product of its digits is 9216, while the sum is 31.

The square root of 4348381 is about 2085.2771997986. The cubic root of 4348381 is about 163.2209356753.

The spelling of 4348381 in words is "four million, three hundred forty-eight thousand, three hundred eighty-one".