728948893 has 8 divisors (see below), whose sum is σ = 737942400. Its totient is φ = 719973408.

The previous prime is 728948863. The next prime is 728948903. The reversal of 728948893 is 398849827.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728948893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728948863) 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, 88530 + ... + 96412.

It is an arithmetic number, because the mean of its divisors is an integer number (92242800).

Almost surely, 2^728948893 is an apocalyptic number.

It is an amenable number.

728948893 is a deficient number, since it is larger than the sum of its proper divisors (8993507).

728948893 is a wasteful number, since it uses less digits than its factorization.

728948893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011.

The product of its digits is 6967296, while the sum is 58.

The square root of 728948893 is about 26999.0535574860. The cubic root of 728948893 is about 899.9789678213.

The spelling of 728948893 in words is "seven hundred twenty-eight million, nine hundred forty-eight thousand, eight hundred ninety-three".