34678399 has 8 divisors (see below), whose sum is σ = 39922848. Its totient is φ = 29506560.

The previous prime is 34678381. The next prime is 34678421. The reversal of 34678399 is 99387643.

34678399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 34678399 - 2¹¹ = 34676351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34678309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17122 + ... + 19039.

It is an arithmetic number, because the mean of its divisors is an integer number (4990356).

Almost surely, 2^34678399 is an apocalyptic number.

34678399 is a deficient number, since it is larger than the sum of its proper divisors (5244449).

34678399 is a wasteful number, since it uses less digits than its factorization.

34678399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36305.

The product of its digits is 979776, while the sum is 49.

The square root of 34678399 is about 5888.8368121387. The cubic root of 34678399 is about 326.1016626238.

The spelling of 34678399 in words is "thirty-four million, six hundred seventy-eight thousand, three hundred ninety-nine".