3421817 has 6 divisors (see below), whose sum is σ = 3980538. Its totient is φ = 2932944.

The previous prime is 3421813. The next prime is 3421853. The reversal of 3421817 is 7181243.

It can be written as a sum of positive squares in only one way, i.e., 2119936 + 1301881 = 1456^2 + 1141^2 .

It is not a de Polignac number, because 3421817 - 2² = 3421813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34868 + ... + 34965.

It is an arithmetic number, because the mean of its divisors is an integer number (663423).

Almost surely, 2^3421817 is an apocalyptic number.

It is an amenable number.

3421817 is a deficient number, since it is larger than the sum of its proper divisors (558721).

3421817 is an equidigital number, since it uses as much as digits as its factorization.

3421817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69847 (or 69840 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 3421817 is about 1849.8153961950. The cubic root of 3421817 is about 150.6904026048.

The spelling of 3421817 in words is "three million, four hundred twenty-one thousand, eight hundred seventeen".