8106399 has 60 divisors (see below), whose sum is σ = 15176304. Its totient is φ = 4209408.

The previous prime is 8106391. The next prime is 8106401. The reversal of 8106399 is 9936018.

8106399 is a `hidden beast` number, since 8 + 10 + 639 + 9 = 666.

It is not a de Polignac number, because 8106399 - 2³ = 8106391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8106391) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 279517 + ... + 279545.

Almost surely, 2^8106399 is an apocalyptic number.

8106399 is a deficient number, since it is larger than the sum of its proper divisors (7069905).

8106399 is a wasteful number, since it uses less digits than its factorization.

8106399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 8106399 is about 2847.1738619199. The cubic root of 8106399 is about 200.8827563074.

The spelling of 8106399 in words is "eight million, one hundred six thousand, three hundred ninety-nine".