3469021 has 4 divisors (see below), whose sum is σ = 3619872. Its totient is φ = 3318172.

The previous prime is 3469019. The next prime is 3469031. The reversal of 3469021 is 1209643.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1209643 = 1033 ⋅1171.

It is a cyclic number.

It is not a de Polignac number, because 3469021 - 2¹ = 3469019 is a prime.

It is an Ulam 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 (3469031) 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, 75391 + ... + 75436.

It is an arithmetic number, because the mean of its divisors is an integer number (904968).

Almost surely, 2^3469021 is an apocalyptic number.

It is an amenable number.

3469021 is a deficient number, since it is larger than the sum of its proper divisors (150851).

3469021 is a wasteful number, since it uses less digits than its factorization.

3469021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150850.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3469021 is about 1862.5308051144. The cubic root of 3469021 is about 151.3801657061.

The spelling of 3469021 in words is "three million, four hundred sixty-nine thousand, twenty-one".