728864950 has 48 divisors (see below), whose sum is σ = 1482494400. Its totient is φ = 264404000.

The previous prime is 728864881. The next prime is 728864999. The reversal of 728864950 is 59468827.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 728864894 and 728864903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268701 + ... + 271399.

It is an arithmetic number, because the mean of its divisors is an integer number (30885300).

Almost surely, 2^728864950 is an apocalyptic number.

728864950 is an abundant number, since it is smaller than the sum of its proper divisors (753629450).

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

728864950 is a wasteful number, since it uses less digits than its factorization.

728864950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 728864950 is about 26997.4989582369. The cubic root of 728864950 is about 899.9444204361.

The spelling of 728864950 in words is "seven hundred twenty-eight million, eight hundred sixty-four thousand, nine hundred fifty".