34278349 has 8 divisors (see below), whose sum is σ = 40878720. Its totient is φ = 28103856.

The previous prime is 34278331. The next prime is 34278371. The reversal of 34278349 is 94387243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34278349 - 2⁷ = 34278221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34278329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106294 + ... + 106615.

It is an arithmetic number, because the mean of its divisors is an integer number (5109840).

Almost surely, 2^34278349 is an apocalyptic number.

It is an amenable number.

34278349 is a deficient number, since it is larger than the sum of its proper divisors (6600371).

34278349 is a wasteful number, since it uses less digits than its factorization.

34278349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212939.

The product of its digits is 145152, while the sum is 40.

The square root of 34278349 is about 5854.7714729099. The cubic root of 34278349 is about 324.8428399908.

The spelling of 34278349 in words is "thirty-four million, two hundred seventy-eight thousand, three hundred forty-nine".