3321438 has 8 divisors (see below), whose sum is σ = 6642888. Its totient is φ = 1107144.

The previous prime is 3321421. The next prime is 3321467. The reversal of 3321438 is 8341233.

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

3321438 is an admirable number.

It is a super-2 number, since 2×3321438² = 22063900775688, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276781 + ... + 276792.

It is an arithmetic number, because the mean of its divisors is an integer number (830361).

Almost surely, 2^3321438 is an apocalyptic number.

3321438 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.

3321438 is a wasteful number, since it uses less digits than its factorization.

3321438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553578.

The product of its digits is 1728, while the sum is 24.

The square root of 3321438 is about 1822.4812756240. The cubic root of 3321438 is about 149.2022537496.

It can be divided in two parts, 332 and 1438, that added together give a triangular number (1770 = T₅₉).

The spelling of 3321438 in words is "three million, three hundred twenty-one thousand, four hundred thirty-eight".