34985980 has 48 divisors (see below), whose sum is σ = 76978944. Its totient is φ = 13340160.

The previous prime is 34985959. The next prime is 34985987. The reversal of 34985980 is 8958943.

It is a self number, because there is not a number n which added to its sum of digits gives 34985980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34985987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44874 + ... + 45646.

It is an arithmetic number, because the mean of its divisors is an integer number (1603728).

Almost surely, 2^34985980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34985980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38489472).

34985980 is an abundant number, since it is smaller than the sum of its proper divisors (41992964).

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

34985980 is a wasteful number, since it uses less digits than its factorization.

34985980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 34985980 is about 5914.8947581508. The cubic root of 34985980 is about 327.0629486622.

The spelling of 34985980 in words is "thirty-four million, nine hundred eighty-five thousand, nine hundred eighty".