3469621 has 4 divisors (see below), whose sum is σ = 3476512. Its totient is φ = 3462732.

The previous prime is 3469607. The next prime is 3469633. The reversal of 3469621 is 1269643.

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 3469621 - 2¹⁷ = 3338549 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 4⁷ + 6⁸ + 9⁵ + 6⁸ + 2¹⁵ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3469691) 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, 2625 + ... + 3718.

It is an arithmetic number, because the mean of its divisors is an integer number (869128).

Almost surely, 2^3469621 is an apocalyptic number.

It is an amenable number.

3469621 is a deficient number, since it is larger than the sum of its proper divisors (6891).

3469621 is an equidigital number, since it uses as much as digits as its factorization.

3469621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890.

The product of its digits is 7776, while the sum is 31.

The square root of 3469621 is about 1862.6918693117. The cubic root of 3469621 is about 151.3888927469.

The spelling of 3469621 in words is "three million, four hundred sixty-nine thousand, six hundred twenty-one".