928456671 has 4 divisors (see below), whose sum is σ = 1237942232. Its totient is φ = 618971112.

The previous prime is 928456657. The next prime is 928456673. The reversal of 928456671 is 176654829.

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

It is a de Polignac number, because none of the positive numbers 2^k-928456671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 928456671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (928456673) 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, 154742776 + ... + 154742781.

It is an arithmetic number, because the mean of its divisors is an integer number (309485558).

Almost surely, 2^928456671 is an apocalyptic number.

928456671 is a deficient number, since it is larger than the sum of its proper divisors (309485561).

928456671 is a wasteful number, since it uses less digits than its factorization.

928456671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309485560.

The product of its digits is 725760, while the sum is 48.

The square root of 928456671 is about 30470.5869815466. The cubic root of 928456671 is about 975.5597648266.

The spelling of 928456671 in words is "nine hundred twenty-eight million, four hundred fifty-six thousand, six hundred seventy-one".