3212920 has 32 divisors (see below), whose sum is σ = 7387200. Its totient is φ = 1257088.

The previous prime is 3212863. The next prime is 3212927. The reversal of 3212920 is 292123.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026 + ... + 2734.

It is an arithmetic number, because the mean of its divisors is an integer number (230850).

Almost surely, 2^3212920 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 3212920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3693600).

3212920 is an abundant number, since it is smaller than the sum of its proper divisors (4174280).

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

3212920 is a wasteful number, since it uses less digits than its factorization.

3212920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3212920 is about 1792.4619940183. The cubic root of 3212920 is about 147.5593173277.

The spelling of 3212920 in words is "three million, two hundred twelve thousand, nine hundred twenty".