3009621 has 8 divisors (see below), whose sum is σ = 4021024. Its totient is φ = 2002320.

The previous prime is 3009607. The next prime is 3009631. The reversal of 3009621 is 1269003.

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

It is not a de Polignac number, because 3009621 - 2¹¹ = 3007573 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 (3009631) 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 7 ways as a sum of consecutive naturals, for example, 1815 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (502628).

Almost surely, 2^3009621 is an apocalyptic number.

It is an amenable number.

3009621 is a deficient number, since it is larger than the sum of its proper divisors (1011403).

3009621 is a wasteful number, since it uses less digits than its factorization.

3009621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 3009621 is about 1734.8259278671. The cubic root of 3009621 is about 144.3789689882.

The spelling of 3009621 in words is "three million, nine thousand, six hundred twenty-one".