8390716 has 6 divisors (see below), whose sum is σ = 14683760. Its totient is φ = 4195356.

The previous prime is 8390713. The next prime is 8390717. The reversal of 8390716 is 6170938.

It is a super-2 number, since 2×8390716² = 140808229985312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8390713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048836 + ... + 1048843.

Almost surely, 2^8390716 is an apocalyptic number.

It is an amenable number.

8390716 is a deficient number, since it is larger than the sum of its proper divisors (6293044).

8390716 is a wasteful number, since it uses less digits than its factorization.

8390716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097683 (or 2097681 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 8390716 is about 2896.6732642809. The cubic root of 8390716 is about 203.2043530905.

The spelling of 8390716 in words is "eight million, three hundred ninety thousand, seven hundred sixteen".