3474021 has 4 divisors (see below), whose sum is σ = 4632032. Its totient is φ = 2316012.

The previous prime is 3473999. The next prime is 3474047. The reversal of 3474021 is 1204743.

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 not a de Polignac number, because 3474021 - 2⁶ = 3473957 is a prime.

It is a super-3 number, since 3×3474021³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3474071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579001 + ... + 579006.

It is an arithmetic number, because the mean of its divisors is an integer number (1158008).

Almost surely, 2^3474021 is an apocalyptic number.

It is an amenable number.

3474021 is a deficient number, since it is larger than the sum of its proper divisors (1158011).

3474021 is a wasteful number, since it uses less digits than its factorization.

3474021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158010.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 3474021 is about 1863.8725814819. The cubic root of 3474021 is about 151.4528603243.

Adding to 3474021 its reverse (1204743), we get a palindrome (4678764).

The spelling of 3474021 in words is "three million, four hundred seventy-four thousand, twenty-one".