4396381 has 8 divisors (see below), whose sum is σ = 5004864. Its totient is φ = 3822720.

The previous prime is 4396369. The next prime is 4396393. The reversal of 4396381 is 1836934.

It is an interprime number because it is at equal distance from previous prime (4396369) and next prime (4396393).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4396381 - 2⁹ = 4395869 is a prime.

It is a super-2 number, since 2×4396381² = 38656331794322, which contains 22 as substring.

It is an Ulam 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 (4396321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8436 + ... + 8941.

It is an arithmetic number, because the mean of its divisors is an integer number (625608).

Almost surely, 2^4396381 is an apocalyptic number.

It is an amenable number.

4396381 is a deficient number, since it is larger than the sum of its proper divisors (608483).

4396381 is a wasteful number, since it uses less digits than its factorization.

4396381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17411.

The product of its digits is 15552, while the sum is 34.

The square root of 4396381 is about 2096.7548736083. The cubic root of 4396381 is about 163.8193156809.

It can be divided in two parts, 43963 and 81, that added together give a palindrome (44044).

The spelling of 4396381 in words is "four million, three hundred ninety-six thousand, three hundred eighty-one".