8142933 has 4 divisors (see below), whose sum is σ = 10857248. Its totient is φ = 5428620.

The previous prime is 8142929. The next prime is 8142971. The reversal of 8142933 is 3392418.

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 not a de Polignac number, because 8142933 - 2² = 8142929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8142933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142733) 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, 1357153 + ... + 1357158.

It is an arithmetic number, because the mean of its divisors is an integer number (2714312).

Almost surely, 2^8142933 is an apocalyptic number.

It is an amenable number.

8142933 is a deficient number, since it is larger than the sum of its proper divisors (2714315).

8142933 is a wasteful number, since it uses less digits than its factorization.

8142933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714314.

The product of its digits is 5184, while the sum is 30.

The square root of 8142933 is about 2853.5824852280. The cubic root of 8142933 is about 201.1840842215.

The spelling of 8142933 in words is "eight million, one hundred forty-two thousand, nine hundred thirty-three".