916728983 has 4 divisors (see below), whose sum is σ = 941505480. Its totient is φ = 891952488.

The previous prime is 916728979. The next prime is 916728991. The reversal of 916728983 is 389827619.

916728983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 916728983 - 2² = 916728979 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 (916728973) 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, 12388193 + ... + 12388266.

It is an arithmetic number, because the mean of its divisors is an integer number (235376370).

Almost surely, 2^916728983 is an apocalyptic number.

916728983 is a deficient number, since it is larger than the sum of its proper divisors (24776497).

916728983 is a wasteful number, since it uses less digits than its factorization.

916728983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24776496.

The product of its digits is 1306368, while the sum is 53.

The square root of 916728983 is about 30277.5326438599. The cubic root of 916728983 is about 971.4347927277.

The spelling of 916728983 in words is "nine hundred sixteen million, seven hundred twenty-eight thousand, nine hundred eighty-three".