728916494 has 16 divisors (see below), whose sum is σ = 1152280080. Its totient is φ = 344868480.

The previous prime is 728916439. The next prime is 728916523. The reversal of 728916494 is 494619827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22592 + ... + 44364.

It is an arithmetic number, because the mean of its divisors is an integer number (72017505).

Almost surely, 2^728916494 is an apocalyptic number.

728916494 is a deficient number, since it is larger than the sum of its proper divisors (423363586).

728916494 is a wasteful number, since it uses less digits than its factorization.

728916494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22675.

The product of its digits is 870912, while the sum is 50.

The square root of 728916494 is about 26998.4535483053. The cubic root of 728916494 is about 899.9656340787.

The spelling of 728916494 in words is "seven hundred twenty-eight million, nine hundred sixteen thousand, four hundred ninety-four".