8980381 has 4 divisors (see below), whose sum is σ = 9223132. Its totient is φ = 8737632.

The previous prime is 8980339. The next prime is 8980417. The reversal of 8980381 is 1830898.

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 3644281 + 5336100 = 1909^2 + 2310^2 .

It is a cyclic number.

It is not a de Polignac number, because 8980381 - 2⁷ = 8980253 is a prime.

It is a super-2 number, since 2×8980381² = 161294485810322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 242713 = 8980381 / (8 + 9 + 8 + 0 + 3 + 8 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8980381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8986381) 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 3 ways as a sum of consecutive naturals, for example, 121320 + ... + 121393.

It is an arithmetic number, because the mean of its divisors is an integer number (2305783).

Almost surely, 2^8980381 is an apocalyptic number.

It is an amenable number.

8980381 is a deficient number, since it is larger than the sum of its proper divisors (242751).

8980381 is a wasteful number, since it uses less digits than its factorization.

8980381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242750.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 8980381 is about 2996.7283827534. The cubic root of 8980381 is about 207.8571272917.

The spelling of 8980381 in words is "eight million, nine hundred eighty thousand, three hundred eighty-one".