8970643 has 8 divisors (see below), whose sum is σ = 9858240. Its totient is φ = 8095080.

The previous prime is 8970629. The next prime is 8970649. The reversal of 8970643 is 3460798.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8970643 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8970649) 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, 1405 + ... + 4462.

It is an arithmetic number, because the mean of its divisors is an integer number (1232280).

Almost surely, 2^8970643 is an apocalyptic number.

8970643 is a deficient number, since it is larger than the sum of its proper divisors (887597).

8970643 is a wasteful number, since it uses less digits than its factorization.

8970643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 8970643 is about 2995.1031701763. The cubic root of 8970643 is about 207.7819692046.

The spelling of 8970643 in words is "eight million, nine hundred seventy thousand, six hundred forty-three".