34256919 has 4 divisors (see below), whose sum is σ = 45675896. Its totient is φ = 22837944.

The previous prime is 34256897. The next prime is 34256927. The reversal of 34256919 is 91965243.

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

It is a de Polignac number, because none of the positive numbers 2^k-34256919 is a prime.

It is a super-2 number, since 2×34256919² = 2347072998745122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34256119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5709484 + ... + 5709489.

It is an arithmetic number, because the mean of its divisors is an integer number (11418974).

Almost surely, 2^34256919 is an apocalyptic number.

34256919 is a deficient number, since it is larger than the sum of its proper divisors (11418977).

34256919 is a wasteful number, since it uses less digits than its factorization.

34256919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11418976.

The product of its digits is 58320, while the sum is 39.

The square root of 34256919 is about 5852.9410555720. The cubic root of 34256919 is about 324.7751312333.

The spelling of 34256919 in words is "thirty-four million, two hundred fifty-six thousand, nine hundred nineteen".