8810381 has 4 divisors (see below), whose sum is σ = 8838492. Its totient is φ = 8782272.

The previous prime is 8810363. The next prime is 8810383. The reversal of 8810381 is 1830188.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 348100 + 8462281 = 590^2 + 2909^2 .

It is a cyclic number.

It is not a de Polignac number, because 8810381 - 2¹⁴ = 8793997 is a prime.

It is a super-2 number, since 2×8810381² = 155245626730322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8810383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13580 + ... + 14213.

It is an arithmetic number, because the mean of its divisors is an integer number (2209623).

Almost surely, 2^8810381 is an apocalyptic number.

It is an amenable number.

8810381 is a deficient number, since it is larger than the sum of its proper divisors (28111).

8810381 is a wasteful number, since it uses less digits than its factorization.

8810381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28110.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 8810381 is about 2968.2285963180. The cubic root of 8810381 is about 206.5371737644.

The spelling of 8810381 in words is "eight million, eight hundred ten thousand, three hundred eighty-one".