34856109 has 48 divisors (see below), whose sum is σ = 56730240. Its totient is φ = 21098880.

The previous prime is 34856047. The next prime is 34856111. The reversal of 34856109 is 90165843.

34856109 is a `hidden beast` number, since 34 + 8 + 5 + 610 + 9 = 666.

It is not a de Polignac number, because 34856109 - 2⁷ = 34855981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34856149) 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, 850129 + ... + 850169.

It is an arithmetic number, because the mean of its divisors is an integer number (1181880).

Almost surely, 2^34856109 is an apocalyptic number.

It is an amenable number.

34856109 is a deficient number, since it is larger than the sum of its proper divisors (21874131).

34856109 is a wasteful number, since it uses less digits than its factorization.

34856109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 34856109 is about 5903.9062492557. The cubic root of 34856109 is about 326.6577515037.

The spelling of 34856109 in words is "thirty-four million, eight hundred fifty-six thousand, one hundred nine".