3212340 has 48 divisors (see below), whose sum is σ = 9244032. Its totient is φ = 832896.

The previous prime is 3212329. The next prime is 3212347. The reversal of 3212340 is 432123.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1497 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (192584).

Almost surely, 2^3212340 is an apocalyptic number.

3212340 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 3212340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4622016).

3212340 is an abundant number, since it is smaller than the sum of its proper divisors (6031692).

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

3212340 is a wasteful number, since it uses less digits than its factorization.

3212340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3212340 is about 1792.3001980695. The cubic root of 3212340 is about 147.5504376010.

Adding to 3212340 its reverse (432123), we get a palindrome (3644463).

The spelling of 3212340 in words is "three million, two hundred twelve thousand, three hundred forty".