2968729 has 3 divisors (see below), whose sum is σ = 2970453. Its totient is φ = 2967006.

The previous prime is 2968717. The next prime is 2968733. The reversal of 2968729 is 9278692.

It is a happy number.

The square root of 2968729 is 1723.

It is a perfect power (a square), and thus also a powerful number.

2968729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2968729 - 2⁵ = 2968697 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 9 + 6⁶ + 8³ + 7⁷ + 2²¹ + 9³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2968709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 862 + ... + 2584.

It is an arithmetic number, because the mean of its divisors is an integer number (990151).

2^2968729 is an apocalyptic number.

2968729 is the 1723-rd square number.

2968729 is the 862-nd centered octagonal number.

It is an amenable number.

2968729 is a deficient number, since it is larger than the sum of its proper divisors (1724).

2968729 is an frugal number, since it uses more digits than its factorization.

2968729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446 (or 1723 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The cubic root of 2968729 is about 143.7220880905.

It can be divided in two parts, 296 and 8729, that added together give a square (9025 = 95²).

The spelling of 2968729 in words is "two million, nine hundred sixty-eight thousand, seven hundred twenty-nine".