3401321 has 16 divisors (see below), whose sum is σ = 4282368. Its totient is φ = 2624400.

The previous prime is 3401317. The next prime is 3401327. The reversal of 3401321 is 1231043.

It is a cyclic number.

It is not a de Polignac number, because 3401321 - 2² = 3401317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3401296 and 3401305.

It is not an unprimeable number, because it can be changed into a prime (3401327) 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 15 ways as a sum of consecutive naturals, for example, 12416 + ... + 12686.

It is an arithmetic number, because the mean of its divisors is an integer number (267648).

Almost surely, 2^3401321 is an apocalyptic number.

It is an amenable number.

3401321 is a deficient number, since it is larger than the sum of its proper divisors (881047).

3401321 is a wasteful number, since it uses less digits than its factorization.

3401321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3401321 is about 1844.2670630904. The cubic root of 3401321 is about 150.3889314182.

Adding to 3401321 its reverse (1231043), we get a palindrome (4632364).

It can be divided in two parts, 340 and 1321, that added together give a palindrome (1661).

The spelling of 3401321 in words is "three million, four hundred one thousand, three hundred twenty-one".