34189857 has 48 divisors (see below), whose sum is σ = 56259840. Its totient is φ = 20621952.

The previous prime is 34189853. The next prime is 34189861. The reversal of 34189857 is 75898143.

It is an interprime number because it is at equal distance from previous prime (34189853) and next prime (34189861).

It is not a de Polignac number, because 34189857 - 2² = 34189853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34189853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249493 + ... + 249629.

It is an arithmetic number, because the mean of its divisors is an integer number (1172080).

Almost surely, 2^34189857 is an apocalyptic number.

It is an amenable number.

34189857 is a deficient number, since it is larger than the sum of its proper divisors (22069983).

34189857 is a wasteful number, since it uses less digits than its factorization.

34189857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 232 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 34189857 is about 5847.2093343748. The cubic root of 34189857 is about 324.5630641208.

The spelling of 34189857 in words is "thirty-four million, one hundred eighty-nine thousand, eight hundred fifty-seven".