3212421 has 8 divisors (see below), whose sum is σ = 4292544. Its totient is φ = 2136960.

The previous prime is 3212413. The next prime is 3212423. The reversal of 3212421 is 1242123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3212421 - 2³ = 3212413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3212421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212423) 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 7 ways as a sum of consecutive naturals, for example, 1045 + ... + 2741.

It is an arithmetic number, because the mean of its divisors is an integer number (536568).

Almost surely, 2^3212421 is an apocalyptic number.

It is an amenable number.

3212421 is a deficient number, since it is larger than the sum of its proper divisors (1080123).

3212421 is a wasteful number, since it uses less digits than its factorization.

3212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331.

The product of its digits is 96, while the sum is 15.

The square root of 3212421 is about 1792.3227945881. The cubic root of 3212421 is about 147.5516777650.

Adding to 3212421 its reverse (1242123), we get a palindrome (4454544).

The spelling of 3212421 in words is "three million, two hundred twelve thousand, four hundred twenty-one".