8293989 has 16 divisors (see below), whose sum is σ = 12165120. Its totient is φ = 4984560.

The previous prime is 8293979. The next prime is 8293993. The reversal of 8293989 is 9893928.

It is not a de Polignac number, because 8293989 - 2⁹ = 8293477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8293939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3202 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (760320).

Almost surely, 2^8293989 is an apocalyptic number.

It is an amenable number.

8293989 is a deficient number, since it is larger than the sum of its proper divisors (3871131).

8293989 is a wasteful number, since it uses less digits than its factorization.

8293989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120.

The product of its digits is 279936, while the sum is 48.

The square root of 8293989 is about 2879.9286449494. The cubic root of 8293989 is about 202.4204961486.

It can be divided in two parts, 82939 and 89, that added together give a triangular number (83028 = T₄₀₇).

The spelling of 8293989 in words is "eight million, two hundred ninety-three thousand, nine hundred eighty-nine".