34878380 has 12 divisors (see below), whose sum is σ = 73244640. Its totient is φ = 13951344.

The previous prime is 34878377. The next prime is 34878409. The reversal of 34878380 is 8387843.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 871940 + ... + 871979.

It is an arithmetic number, because the mean of its divisors is an integer number (6103720).

Almost surely, 2^34878380 is an apocalyptic number.

It is an amenable number.

34878380 is an abundant number, since it is smaller than the sum of its proper divisors (38366260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34878380 is a wasteful number, since it uses less digits than its factorization.

34878380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743928 (or 1743926 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 34878380 is about 5905.7920721949. The cubic root of 34878380 is about 326.7273083772.

The spelling of 34878380 in words is "thirty-four million, eight hundred seventy-eight thousand, three hundred eighty".