3475021 has 8 divisors (see below), whose sum is σ = 4014144. Its totient is φ = 2973120.

The previous prime is 3475013. The next prime is 3475027. The reversal of 3475021 is 1205743.

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

It is a cyclic number.

It is not a de Polignac number, because 3475021 - 2³ = 3475013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3474983 and 3475001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3475027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9105 + ... + 9478.

It is an arithmetic number, because the mean of its divisors is an integer number (501768).

Almost surely, 2^3475021 is an apocalyptic number.

It is an amenable number.

3475021 is a deficient number, since it is larger than the sum of its proper divisors (539123).

3475021 is a wasteful number, since it uses less digits than its factorization.

3475021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18611.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3475021 is about 1864.1408208609. The cubic root of 3475021 is about 151.4673908766.

The spelling of 3475021 in words is "three million, four hundred seventy-five thousand, twenty-one".