34989680 has 40 divisors (see below), whose sum is σ = 88748784. Its totient is φ = 12723200.

The previous prime is 34989671. The next prime is 34989683. The reversal of 34989680 is 8698943.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34989683) 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, 19001 + ... + 20760.

Almost surely, 2^34989680 is an apocalyptic number.

It is an amenable number.

34989680 is an abundant number, since it is smaller than the sum of its proper divisors (53759104).

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

34989680 is a wasteful number, since it uses less digits than its factorization.

34989680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39785 (or 39779 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 34989680 is about 5915.2075196057. The cubic root of 34989680 is about 327.0744779496.

The spelling of 34989680 in words is "thirty-four million, nine hundred eighty-nine thousand, six hundred eighty".