4200381 has 12 divisors (see below), whose sum is σ = 6141408. Its totient is φ = 2766024.

The previous prime is 4200341. The next prime is 4200397. The reversal of 4200381 is 1830024.

It is a happy number.

It is not a de Polignac number, because 4200381 - 2¹¹ = 4198333 is a prime.

It is a super-2 number, since 2×4200381² = 35286401090322, which contains 22 as substring.

4200381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200341) 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 11 ways as a sum of consecutive naturals, for example, 2065 + ... + 3558.

It is an arithmetic number, because the mean of its divisors is an integer number (511784).

Almost surely, 2^4200381 is an apocalyptic number.

It is an amenable number.

4200381 is a deficient number, since it is larger than the sum of its proper divisors (1941027).

4200381 is a wasteful number, since it uses less digits than its factorization.

4200381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712 (or 5709 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4200381 is about 2049.4831055659. The cubic root of 4200381 is about 161.3477431558.

The spelling of 4200381 in words is "four million, two hundred thousand, three hundred eighty-one".