728365298 has 16 divisors (see below), whose sum is σ = 1118517120. Its totient is φ = 355564176.

The previous prime is 728365291. The next prime is 728365303. The reversal of 728365298 is 892563827.

It is not an unprimeable number, because it can be changed into a prime (728365291) 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, 30140 + ... + 48632.

It is an arithmetic number, because the mean of its divisors is an integer number (69907320).

Almost surely, 2^728365298 is an apocalyptic number.

728365298 is a deficient number, since it is larger than the sum of its proper divisors (390151822).

728365298 is a wasteful number, since it uses less digits than its factorization.

728365298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18961.

The product of its digits is 1451520, while the sum is 50.

The square root of 728365298 is about 26988.2436998038. The cubic root of 728365298 is about 899.7387299219.

The spelling of 728365298 in words is "seven hundred twenty-eight million, three hundred sixty-five thousand, two hundred ninety-eight".