3421245 has 16 divisors (see below), whose sum is σ = 5608512. Its totient is φ = 1779840.

The previous prime is 3421241. The next prime is 3421321. The reversal of 3421245 is 5421243.

3421245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3421245 - 2² = 3421241 is a prime.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2167 + ... + 3396.

It is an arithmetic number, because the mean of its divisors is an integer number (350532).

Almost surely, 2^3421245 is an apocalyptic number.

It is an amenable number.

3421245 is a deficient number, since it is larger than the sum of its proper divisors (2187267).

3421245 is a wasteful number, since it uses less digits than its factorization.

3421245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612.

The product of its digits is 960, while the sum is 21.

The square root of 3421245 is about 1849.6607797107. The cubic root of 3421245 is about 150.6820055345.

Adding to 3421245 its reverse (5421243), we get a palindrome (8842488).

The spelling of 3421245 in words is "three million, four hundred twenty-one thousand, two hundred forty-five".