34278434 has 4 divisors (see below), whose sum is σ = 51417654. Its totient is φ = 17139216.

The previous prime is 34278407. The next prime is 34278449. The reversal of 34278434 is 43487243.

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

It can be written as a sum of positive squares in only one way, i.e., 20566225 + 13712209 = 4535^2 + 3703^2 .

It is a super-2 number, since 2×34278434² = 2350022074984712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34278394 and 34278403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8569607 + ... + 8569610.

Almost surely, 2^34278434 is an apocalyptic number.

34278434 is a deficient number, since it is larger than the sum of its proper divisors (17139220).

34278434 is a wasteful number, since it uses less digits than its factorization.

34278434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17139219.

The product of its digits is 64512, while the sum is 35.

The square root of 34278434 is about 5854.7787319420. The cubic root of 34278434 is about 324.8431084948.

The spelling of 34278434 in words is "thirty-four million, two hundred seventy-eight thousand, four hundred thirty-four".