34421689 has 3 divisors (see below), whose sum is σ = 34427557. Its totient is φ = 34415822.

The previous prime is 34421671. The next prime is 34421693. The reversal of 34421689 is 98612443.

The square root of 34421689 is 5867.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98612443 = 8081 ⋅12203.

It is not a de Polignac number, because 34421689 - 2⁷ = 34421561 is a prime.

It is a super-2 number, since 2×34421689² = 2369705347225442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34421609) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2934 + ... + 8800.

Almost surely, 2^34421689 is an apocalyptic number.

34421689 is the 5867-th square number.

34421689 is the 2934-th centered octagonal number.

It is an amenable number.

34421689 is a deficient number, since it is larger than the sum of its proper divisors (5868).

34421689 is an frugal number, since it uses more digits than its factorization.

34421689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11734 (or 5867 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The cubic root of 34421689 is about 325.2950031499.

The spelling of 34421689 in words is "thirty-four million, four hundred twenty-one thousand, six hundred eighty-nine".