8670993 has 8 divisors (see below), whose sum is σ = 11830368. Its totient is φ = 5646144.

The previous prime is 8670989. The next prime is 8670997. The reversal of 8670993 is 3990768.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8670989) and next prime (8670997).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8670993 - 2² = 8670989 is a prime.

It is a super-2 number, since 2×8670993² = 150372239212098, which contains 22 as substring.

8670993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8670997) 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, 33480 + ... + 33737.

It is an arithmetic number, because the mean of its divisors is an integer number (1478796).

Almost surely, 2^8670993 is an apocalyptic number.

It is an amenable number.

8670993 is a deficient number, since it is larger than the sum of its proper divisors (3159375).

8670993 is a wasteful number, since it uses less digits than its factorization.

8670993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67263.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 8670993 is about 2944.6549882796. The cubic root of 8670993 is about 205.4421786045.

The spelling of 8670993 in words is "eight million, six hundred seventy thousand, nine hundred ninety-three".