34161887 has 4 divisors (see below), whose sum is σ = 34573560. Its totient is φ = 33750216.

The previous prime is 34161851. The next prime is 34161889. The reversal of 34161887 is 78816143.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34161887 - 2²⁴ = 17384671 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 34161887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34161889) 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, 205712 + ... + 205877.

It is an arithmetic number, because the mean of its divisors is an integer number (8643390).

Almost surely, 2^34161887 is an apocalyptic number.

34161887 is a deficient number, since it is larger than the sum of its proper divisors (411673).

34161887 is an equidigital number, since it uses as much as digits as its factorization.

34161887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411672.

The product of its digits is 32256, while the sum is 38.

The square root of 34161887 is about 5844.8171057784. The cubic root of 34161887 is about 324.4745339119.

The spelling of 34161887 in words is "thirty-four million, one hundred sixty-one thousand, eight hundred eighty-seven".