8399340 has 36 divisors (see below), whose sum is σ = 25478544. Its totient is φ = 2239776.

The previous prime is 8399317. The next prime is 8399381. The reversal of 8399340 is 439938.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8399295 and 8399304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23152 + ... + 23511.

Almost surely, 2^8399340 is an apocalyptic number.

It is an amenable number.

8399340 is an abundant number, since it is smaller than the sum of its proper divisors (17079204).

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

8399340 is a wasteful number, since it uses less digits than its factorization.

8399340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46678 (or 46673 counting only the distinct ones).

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

The square root of 8399340 is about 2898.1614861840. The cubic root of 8399340 is about 203.2739472426.

The spelling of 8399340 in words is "eight million, three hundred ninety-nine thousand, three hundred forty".