8397806 has 8 divisors (see below), whose sum is σ = 13144464. Its totient is φ = 4016320.

The previous prime is 8397803. The next prime is 8397817. The reversal of 8397806 is 6087938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8397806² = 141046291227272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8397803) 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, 91235 + ... + 91326.

It is an arithmetic number, because the mean of its divisors is an integer number (1643058).

Almost surely, 2^8397806 is an apocalyptic number.

8397806 is a deficient number, since it is larger than the sum of its proper divisors (4746658).

8397806 is a wasteful number, since it uses less digits than its factorization.

8397806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182586.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 8397806 is about 2897.8968235601. The cubic root of 8397806 is about 203.2615716187.

The spelling of 8397806 in words is "eight million, three hundred ninety-seven thousand, eight hundred six".