8099381 has 8 divisors (see below), whose sum is σ = 8743680. Its totient is φ = 7479472.

The previous prime is 8099363. The next prime is 8099383. The reversal of 8099381 is 1839908.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8099381 is a prime.

It is a super-2 number, since 2×8099381² = 131199945166322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8099383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5405 + ... + 6738.

It is an arithmetic number, because the mean of its divisors is an integer number (1092960).

Almost surely, 2^8099381 is an apocalyptic number.

It is an amenable number.

8099381 is a deficient number, since it is larger than the sum of its proper divisors (644299).

8099381 is a wasteful number, since it uses less digits than its factorization.

8099381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12195.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 8099381 is about 2845.9411448588. The cubic root of 8099381 is about 200.8247691043.

The spelling of 8099381 in words is "eight million, ninety-nine thousand, three hundred eighty-one".