928961172 has 36 divisors (see below), whose sum is σ = 2349285120. Its totient is φ = 309511632.

The previous prime is 928961113. The next prime is 928961177. The reversal of 928961172 is 271169829.

928961172 is a `hidden beast` number, since 9 + 28 + 9 + 611 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×928961172² = 1725937718167227168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (928961177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99163 + ... + 108125.

It is an arithmetic number, because the mean of its divisors is an integer number (65257920).

Almost surely, 2^928961172 is an apocalyptic number.

It is an amenable number.

928961172 is an abundant number, since it is smaller than the sum of its proper divisors (1420323948).

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

928961172 is a wasteful number, since it uses less digits than its factorization.

928961172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11852 (or 11847 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 928961172 is about 30478.8643489222. The cubic root of 928961172 is about 975.7364313940.

The spelling of 928961172 in words is "nine hundred twenty-eight million, nine hundred sixty-one thousand, one hundred seventy-two".