34878646 has 8 divisors (see below), whose sum is σ = 57074184. Its totient is φ = 15853920.

The previous prime is 34878643. The next prime is 34878667. The reversal of 34878646 is 64687843.

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

It is a junction number, because it is equal to n+sod(n) for n = 34878596 and 34878605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34878643) 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, 792675 + ... + 792718.

It is an arithmetic number, because the mean of its divisors is an integer number (7134273).

Almost surely, 2^34878646 is an apocalyptic number.

34878646 is a deficient number, since it is larger than the sum of its proper divisors (22195538).

34878646 is a wasteful number, since it uses less digits than its factorization.

34878646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585406.

The product of its digits is 774144, while the sum is 46.

The square root of 34878646 is about 5905.8145924165. The cubic root of 34878646 is about 326.7281389705.

The spelling of 34878646 in words is "thirty-four million, eight hundred seventy-eight thousand, six hundred forty-six".