8190939 has 8 divisors (see below), whose sum is σ = 11187792. Its totient is φ = 5327360.

The previous prime is 8190907. The next prime is 8190943. The reversal of 8190939 is 9390918.

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

It is a cyclic number.

It is not a de Polignac number, because 8190939 - 2⁵ = 8190907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8190897 and 8190906.

It is not an unprimeable number, because it can be changed into a prime (8190979) 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, 33174 + ... + 33419.

It is an arithmetic number, because the mean of its divisors is an integer number (1398474).

Almost surely, 2^8190939 is an apocalyptic number.

8190939 is a deficient number, since it is larger than the sum of its proper divisors (2996853).

8190939 is a wasteful number, since it uses less digits than its factorization.

8190939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66637.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 8190939 is about 2861.9816561257. The cubic root of 8190939 is about 201.5786646372.

The spelling of 8190939 in words is "eight million, one hundred ninety thousand, nine hundred thirty-nine".