3446780 has 48 divisors (see below), whose sum is σ = 7741440. Its totient is φ = 1286208.

The previous prime is 3446761. The next prime is 3446789. The reversal of 3446780 is 876443.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3446789) 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, 27077 + ... + 27203.

It is an arithmetic number, because the mean of its divisors is an integer number (161280).

Almost surely, 2^3446780 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 3446780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3870720).

3446780 is an abundant number, since it is smaller than the sum of its proper divisors (4294660).

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

3446780 is a wasteful number, since it uses less digits than its factorization.

3446780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 3446780 is about 1856.5505648918. The cubic root of 3446780 is about 151.0559563386.

The spelling of 3446780 in words is "three million, four hundred forty-six thousand, seven hundred eighty".