4376381 has 8 divisors (see below), whose sum is σ = 4516344. Its totient is φ = 4238080.

The previous prime is 4376357. The next prime is 4376401. The reversal of 4376381 is 1836734.

It can be written as a sum of positive squares in 4 ways, for example, as 8281 + 4368100 = 91^2 + 2090^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4376381 is a prime.

It is a super-2 number, since 2×4376381² = 38305421314322, 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 (4376321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6785 + ... + 7401.

It is an arithmetic number, because the mean of its divisors is an integer number (564543).

Almost surely, 2^4376381 is an apocalyptic number.

4376381 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4376381 is a deficient number, since it is larger than the sum of its proper divisors (139963).

4376381 is a wasteful number, since it uses less digits than its factorization.

4376381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831.

The product of its digits is 12096, while the sum is 32.

The square root of 4376381 is about 2091.9801624298. The cubic root of 4376381 is about 163.5705226231.

The spelling of 4376381 in words is "four million, three hundred seventy-six thousand, three hundred eighty-one".