34385857 has 8 divisors (see below), whose sum is σ = 37608480. Its totient is φ = 31179360.

The previous prime is 34385809. The next prime is 34385861. The reversal of 34385857 is 75858343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34385857 - 2¹⁵ = 34353089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34385887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678 + ... + 8320.

It is an arithmetic number, because the mean of its divisors is an integer number (4701060).

Almost surely, 2^34385857 is an apocalyptic number.

It is an amenable number.

34385857 is a deficient number, since it is larger than the sum of its proper divisors (3222623).

34385857 is a wasteful number, since it uses less digits than its factorization.

34385857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8063.

The product of its digits is 403200, while the sum is 43.

The square root of 34385857 is about 5863.9455147537. The cubic root of 34385857 is about 325.1820896765.

The spelling of 34385857 in words is "thirty-four million, three hundred eighty-five thousand, eight hundred fifty-seven".