3421261 has 4 divisors (see below), whose sum is σ = 3426300. Its totient is φ = 3416224.

The previous prime is 3421241. The next prime is 3421321. The reversal of 3421261 is 1621243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3276100 + 145161 = 1810^2 + 381^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421261 - 2⁹ = 3420749 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 (3421241) 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, 1306 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (856575).

Almost surely, 2^3421261 is an apocalyptic number.

It is an amenable number.

3421261 is a deficient number, since it is larger than the sum of its proper divisors (5039).

3421261 is an equidigital number, since it uses as much as digits as its factorization.

3421261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038.

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

The square root of 3421261 is about 1849.6651048230. The cubic root of 3421261 is about 150.6822404303.

The spelling of 3421261 in words is "three million, four hundred twenty-one thousand, two hundred sixty-one".