8937891 has 16 divisors (see below), whose sum is σ = 13367200. Its totient is φ = 5901984.

The previous prime is 8937881. The next prime is 8937893. The reversal of 8937891 is 1987398.

It is not a de Polignac number, because 8937891 - 2⁷ = 8937763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8937893) 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, 1425 + ... + 4461.

It is an arithmetic number, because the mean of its divisors is an integer number (835450).

Almost surely, 2^8937891 is an apocalyptic number.

8937891 is a deficient number, since it is larger than the sum of its proper divisors (4429309).

8937891 is a wasteful number, since it uses less digits than its factorization.

8937891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155 (or 3149 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 8937891 is about 2989.6305791853. The cubic root of 8937891 is about 207.5287887670.

The spelling of 8937891 in words is "eight million, nine hundred thirty-seven thousand, eight hundred ninety-one".