3213426 has 8 divisors (see below), whose sum is σ = 6426864. Its totient is φ = 1071140.

The previous prime is 3213421. The next prime is 3213439. The reversal of 3213426 is 6243123.

It is a happy number.

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

3213426 is an admirable number.

It is a super-2 number, since 2×3213426² = 20652213314952, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3213421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267780 + ... + 267791.

It is an arithmetic number, because the mean of its divisors is an integer number (803358).

Almost surely, 2^3213426 is an apocalyptic number.

3213426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3213426 is a wasteful number, since it uses less digits than its factorization.

3213426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535576.

The product of its digits is 864, while the sum is 21.

The square root of 3213426 is about 1792.6031351083. The cubic root of 3213426 is about 147.5670632510.

Adding to 3213426 its reverse (6243123), we get a palindrome (9456549).

The spelling of 3213426 in words is "three million, two hundred thirteen thousand, four hundred twenty-six".