2029729 has 8 divisors (see below), whose sum is σ = 2237312. Its totient is φ = 1829520.

The previous prime is 2029723. The next prime is 2029759. The reversal of 2029729 is 9279202.

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 2029729 - 2³ = 2029721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2029729.

It is not an unprimeable number, because it can be changed into a prime (2029721) 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, 1257 + ... + 2374.

It is an arithmetic number, because the mean of its divisors is an integer number (279664).

2^2029729 is an apocalyptic number.

It is an amenable number.

2029729 is a deficient number, since it is larger than the sum of its proper divisors (207583).

2029729 is a wasteful number, since it uses less digits than its factorization.

2029729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2029729 is about 1424.6855793472. The cubic root of 2029729 is about 126.6133070108.

The spelling of 2029729 in words is "two million, twenty-nine thousand, seven hundred twenty-nine".