8306940 has 24 divisors (see below), whose sum is σ = 23259600. Its totient is φ = 2215168.

The previous prime is 8306927. The next prime is 8306951. The reversal of 8306940 is 496038.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 8306898 and 8306907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69165 + ... + 69284.

It is an arithmetic number, because the mean of its divisors is an integer number (969150).

Almost surely, 2^8306940 is an apocalyptic number.

It is an amenable number.

8306940 is an abundant number, since it is smaller than the sum of its proper divisors (14952660).

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

8306940 is a wasteful number, since it uses less digits than its factorization.

8306940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138461 (or 138459 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 8306940 is about 2882.1762610916. The cubic root of 8306940 is about 202.5258007059.

The spelling of 8306940 in words is "eight million, three hundred six thousand, nine hundred forty".