969729 has 4 divisors (see below), whose sum is σ = 1292976. Its totient is φ = 646484.

The previous prime is 969721. The next prime is 969743. The reversal of 969729 is 927969.

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.

It is a cyclic number.

It is not a de Polignac number, because 969729 - 2³ = 969721 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 969729.

It is not an unprimeable number, because it can be changed into a prime (969721) 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, 161619 + ... + 161624.

It is an arithmetic number, because the mean of its divisors is an integer number (323244).

It is a Proth number, since it is equal to 947 ⋅ 2¹⁰ + 1 and 947 < 2¹⁰.

2⁹⁶⁹⁷²⁹ is an apocalyptic number.

It is an amenable number.

969729 is a deficient number, since it is larger than the sum of its proper divisors (323247).

969729 is a wasteful number, since it uses less digits than its factorization.

969729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323246.

The product of its digits is 61236, while the sum is 42.

The square root of 969729 is about 984.7481911636. The cubic root of 969729 is about 98.9806104258.

The spelling of 969729 in words is "nine hundred sixty-nine thousand, seven hundred twenty-nine".