3261421 has 8 divisors (see below), whose sum is σ = 3386240. Its totient is φ = 3138912.

The previous prime is 3261413. The next prime is 3261437. The reversal of 3261421 is 1241623.

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

It is a cyclic number.

It is not a de Polignac number, because 3261421 - 2³ = 3261413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2620 + ... + 3658.

It is an arithmetic number, because the mean of its divisors is an integer number (423280).

Almost surely, 2^3261421 is an apocalyptic number.

It is an amenable number.

3261421 is a deficient number, since it is larger than the sum of its proper divisors (124819).

3261421 is a wasteful number, since it uses less digits than its factorization.

3261421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its digits is 288, while the sum is 19.

The square root of 3261421 is about 1805.9404752095. The cubic root of 3261421 is about 148.2981116839.

The spelling of 3261421 in words is "three million, two hundred sixty-one thousand, four hundred twenty-one".