729298 has 8 divisors (see below), whose sum is σ = 1098108. Its totient is φ = 363264.

The previous prime is 729293. The next prime is 729301. The reversal of 729298 is 892927.

It can be written as a sum of positive squares in 2 ways, for example, as 683929 + 45369 = 827^2 + 213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (729293) 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, 190 + ... + 1222.

2⁷²⁹²⁹⁸ is an apocalyptic number.

729298 is a deficient number, since it is larger than the sum of its proper divisors (368810).

729298 is a wasteful number, since it uses less digits than its factorization.

729298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388.

The product of its digits is 18144, while the sum is 37.

The square root of 729298 is about 853.9894612933. The cubic root of 729298 is about 90.0122617039.

The spelling of 729298 in words is "seven hundred twenty-nine thousand, two hundred ninety-eight".