2329281 has 6 divisors (see below), whose sum is σ = 3364530. Its totient is φ = 1552848.

The previous prime is 2329277. The next prime is 2329291. The reversal of 2329281 is 1829232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1648656 + 680625 = 1284^2 + 825^2 .

It is not a de Polignac number, because 2329281 - 2² = 2329277 is a prime.

It is a super-2 number, since 2×2329281² = 10851099953922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2329231) 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, 129396 + ... + 129413.

It is an arithmetic number, because the mean of its divisors is an integer number (560755).

2^2329281 is an apocalyptic number.

It is an amenable number.

2329281 is a deficient number, since it is larger than the sum of its proper divisors (1035249).

2329281 is a wasteful number, since it uses less digits than its factorization.

2329281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258815 (or 258812 counting only the distinct ones).

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

The square root of 2329281 is about 1526.1982177948. The cubic root of 2329281 is about 132.5584125979.

The spelling of 2329281 in words is "two million, three hundred twenty-nine thousand, two hundred eighty-one".