8923381 has 4 divisors (see below), whose sum is σ = 9211264. Its totient is φ = 8635500.

The previous prime is 8923367. The next prime is 8923391. The reversal of 8923381 is 1833298.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1833298 = 2 ⋅916649.

It is a cyclic number.

It is not a de Polignac number, because 8923381 - 2⁹ = 8922869 is a prime.

It is a super-2 number, since 2×8923381² = 159253456942322, 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 (8923391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143895 + ... + 143956.

It is an arithmetic number, because the mean of its divisors is an integer number (2302816).

Almost surely, 2^8923381 is an apocalyptic number.

It is an amenable number.

8923381 is a deficient number, since it is larger than the sum of its proper divisors (287883).

8923381 is a wasteful number, since it uses less digits than its factorization.

8923381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287882.

The product of its digits is 10368, while the sum is 34.

The square root of 8923381 is about 2987.2028722536. The cubic root of 8923381 is about 207.4164254326.

The spelling of 8923381 in words is "eight million, nine hundred twenty-three thousand, three hundred eighty-one".