8397707 has 4 divisors (see below), whose sum is σ = 8431416. Its totient is φ = 8364000.

The previous prime is 8397629. The next prime is 8397709. The reversal of 8397707 is 7077938.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8397707 - 2¹⁶ = 8332171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8397709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16478 + ... + 16979.

It is an arithmetic number, because the mean of its divisors is an integer number (2107854).

Almost surely, 2^8397707 is an apocalyptic number.

8397707 is a deficient number, since it is larger than the sum of its proper divisors (33709).

8397707 is a wasteful number, since it uses less digits than its factorization.

8397707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33708.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 8397707 is about 2897.8797421563. The cubic root of 8397707 is about 203.2607728793.

The spelling of 8397707 in words is "eight million, three hundred ninety-seven thousand, seven hundred seven".