34978394 has 32 divisors (see below), whose sum is σ = 59524416. Its totient is φ = 15275520.

The previous prime is 34978381. The next prime is 34978397. The reversal of 34978394 is 49387943.

34978394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (34978397) 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 15 ways as a sum of consecutive naturals, for example, 78737 + ... + 79179.

It is an arithmetic number, because the mean of its divisors is an integer number (1860138).

Almost surely, 2^34978394 is an apocalyptic number.

34978394 is a deficient number, since it is larger than the sum of its proper divisors (24546022).

34978394 is a wasteful number, since it uses less digits than its factorization.

34978394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590.

The product of its digits is 653184, while the sum is 47.

The square root of 34978394 is about 5914.2534609196. The cubic root of 34978394 is about 327.0393079650.

The spelling of 34978394 in words is "thirty-four million, nine hundred seventy-eight thousand, three hundred ninety-four".