34308857 has 4 divisors (see below), whose sum is σ = 37427856. Its totient is φ = 31189860.

The previous prime is 34308853. The next prime is 34308887. The reversal of 34308857 is 75880343.

It is a happy number.

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 34308857 - 2² = 34308853 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 34308857.

It is not an unprimeable number, because it can be changed into a prime (34308853) 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, 1559483 + ... + 1559504.

It is an arithmetic number, because the mean of its divisors is an integer number (9356964).

Almost surely, 2^34308857 is an apocalyptic number.

It is an amenable number.

34308857 is a deficient number, since it is larger than the sum of its proper divisors (3118999).

34308857 is a wasteful number, since it uses less digits than its factorization.

34308857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118998.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 34308857 is about 5857.3762897734. The cubic root of 34308857 is about 324.9391823082.

The spelling of 34308857 in words is "thirty-four million, three hundred eight thousand, eight hundred fifty-seven".