8349860 has 12 divisors (see below), whose sum is σ = 17534748. Its totient is φ = 3339936.

The previous prime is 8349829. The next prime is 8349871. The reversal of 8349860 is 689438.

8349860 = 202² + 203² + ... + 321².

It can be written as a sum of positive squares in 2 ways, for example, as 5866084 + 2483776 = 2422^2 + 1576^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208727 + ... + 208766.

It is an arithmetic number, because the mean of its divisors is an integer number (1461229).

Almost surely, 2^8349860 is an apocalyptic number.

It is an amenable number.

8349860 is an abundant number, since it is smaller than the sum of its proper divisors (9184888).

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

8349860 is a wasteful number, since it uses less digits than its factorization.

8349860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417502 (or 417500 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 8349860 is about 2889.6124307595. The cubic root of 8349860 is about 202.8740027173.

The spelling of 8349860 in words is "eight million, three hundred forty-nine thousand, eight hundred sixty".