3211980 has 96 divisors (see below), whose sum is σ = 9870336. Its totient is φ = 777216.

The previous prime is 3211979. The next prime is 3211987. The reversal of 3211980 is 891123.

It is a self number, because there is not a number n which added to its sum of digits gives 3211980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47907 + ... + 47973.

It is an arithmetic number, because the mean of its divisors is an integer number (102816).

Almost surely, 2^3211980 is an apocalyptic number.

3211980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3211980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4935168).

3211980 is an abundant number, since it is smaller than the sum of its proper divisors (6658356).

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

3211980 is a wasteful number, since it uses less digits than its factorization.

3211980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 3211980 is about 1792.1997656511. The cubic root of 3211980 is about 147.5449255089.

The spelling of 3211980 in words is "three million, two hundred eleven thousand, nine hundred eighty".