8956993 has 4 divisors (see below), whose sum is σ = 8963668. Its totient is φ = 8950320.

The previous prime is 8956951. The next prime is 8957009. The reversal of 8956993 is 3996598.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2362369 + 6594624 = 1537^2 + 2568^2 .

It is a cyclic number.

It is not a de Polignac number, because 8956993 - 2⁹ = 8956481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8956903) 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, 546 + ... + 4267.

It is an arithmetic number, because the mean of its divisors is an integer number (2240917).

Almost surely, 2^8956993 is an apocalyptic number.

It is an amenable number.

8956993 is a deficient number, since it is larger than the sum of its proper divisors (6675).

8956993 is a wasteful number, since it uses less digits than its factorization.

8956993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674.

The product of its digits is 524880, while the sum is 49.

The square root of 8956993 is about 2992.8235831736. The cubic root of 8956993 is about 207.6765266086.

The spelling of 8956993 in words is "eight million, nine hundred fifty-six thousand, nine hundred ninety-three".