3049281 has 12 divisors (see below), whose sum is σ = 4524052. Its totient is φ = 1977696.

The previous prime is 3049261. The next prime is 3049289. The reversal of 3049281 is 1829403.

It can be written as a sum of positive squares in 2 ways, for example, as 1587600 + 1461681 = 1260^2 + 1209^2 .

It is not a de Polignac number, because 3049281 - 2⁷ = 3049153 is a prime.

It is a super-2 number, since 2×3049281² = 18596229233922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3049289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4246 + ... + 4911.

Almost surely, 2^3049281 is an apocalyptic number.

It is an amenable number.

3049281 is a deficient number, since it is larger than the sum of its proper divisors (1474771).

3049281 is a wasteful number, since it uses less digits than its factorization.

3049281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200 (or 9197 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3049281 is about 1746.2190584231. The cubic root of 3049281 is about 145.0103995712.

The spelling of 3049281 in words is "three million, forty-nine thousand, two hundred eighty-one".