928611 has 16 divisors (see below), whose sum is σ = 1390720. Its totient is φ = 612360.

The previous prime is 928607. The next prime is 928619. The reversal of 928611 is 116829.

It is not a de Polignac number, because 928611 - 2² = 928607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

928611 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (928619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4296 + ... + 4506.

It is an arithmetic number, because the mean of its divisors is an integer number (86920).

2⁹²⁸⁶¹¹ is an apocalyptic number.

928611 is a deficient number, since it is larger than the sum of its proper divisors (462109).

928611 is a wasteful number, since it uses less digits than its factorization.

928611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 377 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 928611 is about 963.6446440468. The cubic root of 928611 is about 97.5613814673.

The spelling of 928611 in words is "nine hundred twenty-eight thousand, six hundred eleven".