3421545 has 8 divisors (see below), whose sum is σ = 5474496. Its totient is φ = 1824816.

The previous prime is 3421531. The next prime is 3421567. The reversal of 3421545 is 5451243.

3421545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3421545 - 2⁵ = 3421513 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 114037 + ... + 114066.

It is an arithmetic number, because the mean of its divisors is an integer number (684312).

Almost surely, 2^3421545 is an apocalyptic number.

It is an amenable number.

3421545 is a deficient number, since it is larger than the sum of its proper divisors (2052951).

3421545 is a wasteful number, since it uses less digits than its factorization.

3421545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228111.

The product of its digits is 2400, while the sum is 24.

The square root of 3421545 is about 1849.7418738840. The cubic root of 3421545 is about 150.6864097091.

Adding to 3421545 its reverse (5451243), we get a palindrome (8872788).

The spelling of 3421545 in words is "three million, four hundred twenty-one thousand, five hundred forty-five".