8339140 has 12 divisors (see below), whose sum is σ = 17512236. Its totient is φ = 3335648.

The previous prime is 8339131. The next prime is 8339159. The reversal of 8339140 is 419338.

It can be written as a sum of positive squares in 2 ways, for example, as 4946176 + 3392964 = 2224^2 + 1842^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8339099 and 8339108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208459 + ... + 208498.

It is an arithmetic number, because the mean of its divisors is an integer number (1459353).

Almost surely, 2^8339140 is an apocalyptic number.

It is an amenable number.

8339140 is an abundant number, since it is smaller than the sum of its proper divisors (9173096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8339140 is a wasteful number, since it uses less digits than its factorization.

8339140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416966 (or 416964 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 8339140 is about 2887.7569149774. The cubic root of 8339140 is about 202.7871453454.

The spelling of 8339140 in words is "eight million, three hundred thirty-nine thousand, one hundred forty".