8315493 has 4 divisors (see below), whose sum is σ = 11087328. Its totient is φ = 5543660.

The previous prime is 8315477. The next prime is 8315507. The reversal of 8315493 is 3945138.

8315493 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 8315493 - 2⁴ = 8315477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8315413) 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, 1385913 + ... + 1385918.

It is an arithmetic number, because the mean of its divisors is an integer number (2771832).

Almost surely, 2^8315493 is an apocalyptic number.

It is an amenable number.

8315493 is a deficient number, since it is larger than the sum of its proper divisors (2771835).

8315493 is a wasteful number, since it uses less digits than its factorization.

8315493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771834.

The product of its digits is 12960, while the sum is 33.

The square root of 8315493 is about 2883.6596539814. The cubic root of 8315493 is about 202.5952851373.

It can be divided in two parts, 83 and 15493, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 8315493 in words is "eight million, three hundred fifteen thousand, four hundred ninety-three".