34133857 has 4 divisors (see below), whose sum is σ = 34155540. Its totient is φ = 34112176.

The previous prime is 34133849. The next prime is 34133881. The reversal of 34133857 is 75833143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75833143 = 1031 ⋅73553.

It can be written as a sum of positive squares in 2 ways, for example, as 9492561 + 24641296 = 3081^2 + 4964^2 .

It is a cyclic number.

It is not a de Polignac number, because 34133857 - 2³ = 34133849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34133837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8278 + ... + 11695.

It is an arithmetic number, because the mean of its divisors is an integer number (8538885).

Almost surely, 2^34133857 is an apocalyptic number.

It is an amenable number.

34133857 is a deficient number, since it is larger than the sum of its proper divisors (21683).

34133857 is a wasteful number, since it uses less digits than its factorization.

34133857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21682.

The product of its digits is 30240, while the sum is 34.

The square root of 34133857 is about 5842.4187628071. The cubic root of 34133857 is about 324.3857653005.

The spelling of 34133857 in words is "thirty-four million, one hundred thirty-three thousand, eight hundred fifty-seven".