8215093 has 4 divisors (see below), whose sum is σ = 8480128. Its totient is φ = 7950060.

The previous prime is 8215079. The next prime is 8215099. The reversal of 8215093 is 3905128.

8215093 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8215093 - 2⁵ = 8215061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8215099) 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, 132471 + ... + 132532.

It is an arithmetic number, because the mean of its divisors is an integer number (2120032).

Almost surely, 2^8215093 is an apocalyptic number.

It is an amenable number.

8215093 is a deficient number, since it is larger than the sum of its proper divisors (265035).

8215093 is a wasteful number, since it uses less digits than its factorization.

8215093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265034.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 8215093 is about 2866.1983532198. The cubic root of 8215093 is about 201.7766131648.

The spelling of 8215093 in words is "eight million, two hundred fifteen thousand, ninety-three".