8340939 has 12 divisors (see below), whose sum is σ = 12126816. Its totient is φ = 5524272.

The previous prime is 8340911. The next prime is 8340961. The reversal of 8340939 is 9390438.

It is not a de Polignac number, because 8340939 - 2⁷ = 8340811 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

8340939 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8340989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1539 + ... + 4364.

It is an arithmetic number, because the mean of its divisors is an integer number (1010568).

Almost surely, 2^8340939 is an apocalyptic number.

8340939 is a deficient number, since it is larger than the sum of its proper divisors (3785877).

8340939 is a wasteful number, since it uses less digits than its factorization.

8340939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066 (or 6063 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 8340939 is about 2888.0683856169. The cubic root of 8340939 is about 202.8017266989.

The spelling of 8340939 in words is "eight million, three hundred forty thousand, nine hundred thirty-nine".