2284729 has 4 divisors (see below), whose sum is σ = 2289040. Its totient is φ = 2280420.

The previous prime is 2284703. The next prime is 2284757. The reversal of 2284729 is 9274822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9274822 = 2 ⋅4637411.

It is a cyclic number.

It is not a de Polignac number, because 2284729 - 2⁵ = 2284697 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2284694 and 2284703.

It is not an unprimeable number, because it can be changed into a prime (2284229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227 + ... + 2464.

It is an arithmetic number, because the mean of its divisors is an integer number (572260).

2^2284729 is an apocalyptic number.

It is an amenable number.

2284729 is a deficient number, since it is larger than the sum of its proper divisors (4311).

2284729 is an equidigital number, since it uses as much as digits as its factorization.

2284729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310.

The product of its digits is 16128, while the sum is 34.

The square root of 2284729 is about 1511.5320042923. The cubic root of 2284729 is about 131.7078209938.

The spelling of 2284729 in words is "two million, two hundred eighty-four thousand, seven hundred twenty-nine".