34391980 has 48 divisors (see below), whose sum is σ = 83091456. Its totient is φ = 11712960.

The previous prime is 34391977. The next prime is 34391993. The reversal of 34391980 is 8919343.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22645 + ... + 24115.

It is an arithmetic number, because the mean of its divisors is an integer number (1731072).

Almost surely, 2^34391980 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 34391980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41545728).

34391980 is an abundant number, since it is smaller than the sum of its proper divisors (48699476).

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

34391980 is a wasteful number, since it uses less digits than its factorization.

34391980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 34391980 is about 5864.4675802668. The cubic root of 34391980 is about 325.2013899735.

The spelling of 34391980 in words is "thirty-four million, three hundred ninety-one thousand, nine hundred eighty".