8996391 has 6 divisors (see below), whose sum is σ = 12994800. Its totient is φ = 5997588.

The previous prime is 8996389. The next prime is 8996401. The reversal of 8996391 is 1936998.

8996391 is a `hidden beast` number, since 8 + 9 + 9 + 639 + 1 = 666.

8996391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8996391 - 2¹ = 8996389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8996311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 499791 + ... + 499808.

It is an arithmetic number, because the mean of its divisors is an integer number (2165800).

Almost surely, 2^8996391 is an apocalyptic number.

8996391 is a deficient number, since it is larger than the sum of its proper divisors (3998409).

8996391 is a wasteful number, since it uses less digits than its factorization.

8996391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999605 (or 999602 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 8996391 is about 2999.3984396875. The cubic root of 8996391 is about 207.9805748008.

The spelling of 8996391 in words is "eight million, nine hundred ninety-six thousand, three hundred ninety-one".