2956281 has 8 divisors (see below), whose sum is σ = 3996000. Its totient is φ = 1943712.

The previous prime is 2956237. The next prime is 2956297. The reversal of 2956281 is 1826592.

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

It is not a de Polignac number, because 2956281 - 2¹⁰ = 2955257 is a prime.

It is a super-2 number, since 2×2956281² = 17479194701922, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2956201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6531 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (499500).

2^2956281 is an apocalyptic number.

It is an amenable number.

2956281 is a deficient number, since it is larger than the sum of its proper divisors (1039719).

2956281 is a wasteful number, since it uses less digits than its factorization.

2956281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575.

The product of its digits is 8640, while the sum is 33.

The square root of 2956281 is about 1719.3839012856. The cubic root of 2956281 is about 143.5209291751.

The spelling of 2956281 in words is "two million, nine hundred fifty-six thousand, two hundred eighty-one".