3097281 has 16 divisors (see below), whose sum is σ = 4771008. Its totient is φ = 1766400.

The previous prime is 3097279. The next prime is 3097291. The reversal of 3097281 is 1827903.

It is a happy number.

It is not a de Polignac number, because 3097281 - 2¹ = 3097279 is a prime.

It is a super-2 number, since 2×3097281² = 19186299185922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3097261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2200 + ... + 3321.

It is an arithmetic number, because the mean of its divisors is an integer number (298188).

Almost surely, 2^3097281 is an apocalyptic number.

It is an amenable number.

3097281 is a deficient number, since it is larger than the sum of its proper divisors (1673727).

3097281 is a wasteful number, since it uses less digits than its factorization.

3097281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 3097281 is about 1759.9093726667. The cubic root of 3097281 is about 145.7673312939.

The spelling of 3097281 in words is "three million, ninety-seven thousand, two hundred eighty-one".