2864729 has 8 divisors (see below), whose sum is σ = 3286848. Its totient is φ = 2445840.

The previous prime is 2864723. The next prime is 2864737. The reversal of 2864729 is 9274682.

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 2864729 - 2⁴ = 2864713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2864692 and 2864701.

It is not an unprimeable number, because it can be changed into a prime (2864723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1574 + ... + 2864.

It is an arithmetic number, because the mean of its divisors is an integer number (410856).

2^2864729 is an apocalyptic number.

It is an amenable number.

2864729 is a deficient number, since it is larger than the sum of its proper divisors (422119).

2864729 is a wasteful number, since it uses less digits than its factorization.

2864729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615.

The product of its digits is 48384, while the sum is 38.

The square root of 2864729 is about 1692.5510332040. The cubic root of 2864729 is about 142.0238173367.

The spelling of 2864729 in words is "two million, eight hundred sixty-four thousand, seven hundred twenty-nine".