729098 has 8 divisors (see below), whose sum is σ = 1104192. Its totient is φ = 361036.

The previous prime is 729073. The next prime is 729139. The reversal of 729098 is 890927.

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

It is an Ulam number.

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

It is an unprimeable number.

729098 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490 + ... + 1917.

It is an arithmetic number, because the mean of its divisors is an integer number (138024).

2⁷²⁹⁰⁹⁸ is an apocalyptic number.

729098 is a deficient number, since it is larger than the sum of its proper divisors (375094).

729098 is a wasteful number, since it uses less digits than its factorization.

729098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 729098 is about 853.8723558003. The cubic root of 729098 is about 90.0040327411.

The spelling of 729098 in words is "seven hundred twenty-nine thousand, ninety-eight".