3485021 has 4 divisors (see below), whose sum is σ = 3566112. Its totient is φ = 3403932.

The previous prime is 3485011. The next prime is 3485047. The reversal of 3485021 is 1205843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3485021 - 2¹⁴ = 3468637 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 (3485011) 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 3 ways as a sum of consecutive naturals, for example, 40481 + ... + 40566.

It is an arithmetic number, because the mean of its divisors is an integer number (891528).

Almost surely, 2^3485021 is an apocalyptic number.

It is an amenable number.

3485021 is a deficient number, since it is larger than the sum of its proper divisors (81091).

3485021 is an equidigital number, since it uses as much as digits as its factorization.

3485021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81090.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3485021 is about 1866.8210948026. The cubic root of 3485021 is about 151.6125433146.

The spelling of 3485021 in words is "three million, four hundred eighty-five thousand, twenty-one".