3455980 has 48 divisors (see below), whose sum is σ = 8273664. Its totient is φ = 1200320.

The previous prime is 3455951. The next prime is 3455999. The reversal of 3455980 is 895543.

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, 4719 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

Almost surely, 2^3455980 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 3455980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4136832).

3455980 is an abundant number, since it is smaller than the sum of its proper divisors (4817684).

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

3455980 is a wasteful number, since it uses less digits than its factorization.

3455980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 3455980 is about 1859.0266270282. The cubic root of 3455980 is about 151.1902343384.

The spelling of 3455980 in words is "three million, four hundred fifty-five thousand, nine hundred eighty".