905967728 has 20 divisors (see below), whose sum is σ = 1847697960. Its totient is φ = 429142464.

The previous prime is 905967721. The next prime is 905967773. The reversal of 905967728 is 827769509.

It is a self number, because there is not a number n which added to its sum of digits gives 905967728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905967721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489775 + ... + 1490382.

It is an arithmetic number, because the mean of its divisors is an integer number (92384898).

Almost surely, 2^905967728 is an apocalyptic number.

It is an amenable number.

905967728 is an abundant number, since it is smaller than the sum of its proper divisors (941730232).

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

905967728 is a wasteful number, since it uses less digits than its factorization.

905967728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980184 (or 2980178 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 905967728 is about 30099.2977991182. The cubic root of 905967728 is about 967.6186770716.

The spelling of 905967728 in words is "nine hundred five million, nine hundred sixty-seven thousand, seven hundred twenty-eight".