34142889 has 16 divisors (see below), whose sum is σ = 51376320. Its totient is φ = 19978560.

The previous prime is 34142881. The next prime is 34142891. The reversal of 34142889 is 98824143.

It is not a de Polignac number, because 34142889 - 2³ = 34142881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34142881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16882 + ... + 18795.

It is an arithmetic number, because the mean of its divisors is an integer number (3211020).

Almost surely, 2^34142889 is an apocalyptic number.

It is an amenable number.

34142889 is a deficient number, since it is larger than the sum of its proper divisors (17233431).

34142889 is a wasteful number, since it uses less digits than its factorization.

34142889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35720.

The product of its digits is 55296, while the sum is 39.

The square root of 34142889 is about 5843.1916792109. The cubic root of 34142889 is about 324.4143741765.

The spelling of 34142889 in words is "thirty-four million, one hundred forty-two thousand, eight hundred eighty-nine".