34978889 has 8 divisors (see below), whose sum is σ = 38232480. Its totient is φ = 31737600.

The previous prime is 34978871. The next prime is 34978897. The reversal of 34978889 is 98887943.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34978889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34978849) 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, 3497 + ... + 9065.

It is an arithmetic number, because the mean of its divisors is an integer number (4779060).

Almost surely, 2^34978889 is an apocalyptic number.

It is an amenable number.

34978889 is a deficient number, since it is larger than the sum of its proper divisors (3253591).

34978889 is a wasteful number, since it uses less digits than its factorization.

34978889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6151.

The product of its digits is 3483648, while the sum is 56.

The square root of 34978889 is about 5914.2953088259. The cubic root of 34978889 is about 327.0408506668.

The spelling of 34978889 in words is "thirty-four million, nine hundred seventy-eight thousand, eight hundred eighty-nine".