4550381 has 8 divisors (see below), whose sum is σ = 4980000. Its totient is φ = 4123440.

The previous prime is 4550369. The next prime is 4550383. The reversal of 4550381 is 1830554.

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 4550381 - 2⁶ = 4550317 is a prime.

It is a super-2 number, since 2×4550381² = 41411934490322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 4550381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550383) 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, 5075 + ... + 5903.

It is an arithmetic number, because the mean of its divisors is an integer number (622500).

Almost surely, 2^4550381 is an apocalyptic number.

It is an amenable number.

4550381 is a deficient number, since it is larger than the sum of its proper divisors (429619).

4550381 is a wasteful number, since it uses less digits than its factorization.

4550381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 4550381 is about 2133.1622066782. The cubic root of 4550381 is about 165.7102046940.

The spelling of 4550381 in words is "four million, five hundred fifty thousand, three hundred eighty-one".