4366381 has 8 divisors (see below), whose sum is σ = 4564224. Its totient is φ = 4172160.

The previous prime is 4366379. The next prime is 4366393. The reversal of 4366381 is 1836634.

4366381 = 51² + 52² + ... + 236².

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

It is a cyclic number.

It is not a de Polignac number, because 4366381 - 2¹ = 4366379 is a prime.

It is a super-2 number, since 2×4366381² = 38130566074322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4366781) 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, 1725 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (570528).

Almost surely, 2^4366381 is an apocalyptic number.

It is an amenable number.

4366381 is a deficient number, since it is larger than the sum of its proper divisors (197843).

4366381 is a wasteful number, since it uses less digits than its factorization.

4366381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811.

The product of its digits is 10368, while the sum is 31.

The square root of 4366381 is about 2089.5887155132. The cubic root of 4366381 is about 163.4458417762.

The spelling of 4366381 in words is "four million, three hundred sixty-six thousand, three hundred eighty-one".