8920393 has 8 divisors (see below), whose sum is σ = 9665568. Its totient is φ = 8199744.

The previous prime is 8920391. The next prime is 8920403. The reversal of 8920393 is 3930298.

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 8920393 - 2¹ = 8920391 is a prime.

It is a super-2 number, since 2×8920393² = 159146822548898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8920391) 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, 5371 + ... + 6832.

It is an arithmetic number, because the mean of its divisors is an integer number (1208196).

Almost surely, 2^8920393 is an apocalyptic number.

It is an amenable number.

8920393 is a deficient number, since it is larger than the sum of its proper divisors (745175).

8920393 is a wasteful number, since it uses less digits than its factorization.

8920393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12263.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 8920393 is about 2986.7026969553. The cubic root of 8920393 is about 207.3932716726.

The spelling of 8920393 in words is "eight million, nine hundred twenty thousand, three hundred ninety-three".