2343281 has 8 divisors (see below), whose sum is σ = 2400840. Its totient is φ = 2286592.

The previous prime is 2343269. The next prime is 2343283. The reversal of 2343281 is 1823432.

It can be written as a sum of positive squares in 4 ways, for example, as 152881 + 2190400 = 391^2 + 1480^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2343281 - 2¹⁰ = 2342257 is a prime.

It is a super-2 number, since 2×2343281² = 10981931689922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2343283) 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, 9941 + ... + 10173.

It is an arithmetic number, because the mean of its divisors is an integer number (300105).

2^2343281 is an apocalyptic number.

It is an amenable number.

2343281 is a deficient number, since it is larger than the sum of its proper divisors (57559).

2343281 is a wasteful number, since it uses less digits than its factorization.

2343281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435.

The product of its digits is 1152, while the sum is 23.

The square root of 2343281 is about 1530.7779068173. Note that the first 3 decimals coincide. The cubic root of 2343281 is about 132.8234603458.

The spelling of 2343281 in words is "two million, three hundred forty-three thousand, two hundred eighty-one".