3009481 has 6 divisors (see below), whose sum is σ = 3146570. Its totient is φ = 2878128.

The previous prime is 3009473. The next prime is 3009491. The reversal of 3009481 is 1849003.

It can be written as a sum of positive squares in only one way, i.e., 2975625 + 33856 = 1725^2 + 184^2 .

It is not a de Polignac number, because 3009481 - 2³ = 3009473 is a prime.

It is a super-2 number, since 2×3009481² = 18113951778722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3009401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2316 + ... + 3373.

Almost surely, 2^3009481 is an apocalyptic number.

It is an amenable number.

3009481 is a deficient number, since it is larger than the sum of its proper divisors (137089).

3009481 is an equidigital number, since it uses as much as digits as its factorization.

3009481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735 (or 5712 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3009481 is about 1734.7855775282. The cubic root of 3009481 is about 144.3767302379.

The spelling of 3009481 in words is "three million, nine thousand, four hundred eighty-one".