728051898 has 24 divisors (see below), whose sum is σ = 1693835712. Its totient is φ = 208014744.

The previous prime is 728051869. The next prime is 728051903. The reversal of 728051898 is 898150827.

728051898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1237890 + ... + 1238477.

It is an arithmetic number, because the mean of its divisors is an integer number (70576488).

Almost surely, 2^728051898 is an apocalyptic number.

728051898 is an abundant number, since it is smaller than the sum of its proper divisors (965783814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728051898 is a wasteful number, since it uses less digits than its factorization.

728051898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476386 (or 2476379 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The square root of 728051898 is about 26982.4368432505. The cubic root of 728051898 is about 899.6096653022.

The spelling of 728051898 in words is "seven hundred twenty-eight million, fifty-one thousand, eight hundred ninety-eight".