1928917232 has 40 divisors (see below), whose sum is σ = 4113151920. Its totient is φ = 869012480.

The previous prime is 1928917231. The next prime is 1928917253. The reversal of 1928917232 is 2327198291.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928917231) 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 7 ways as a sum of consecutive naturals, for example, 28607 + ... + 68382.

It is an arithmetic number, because the mean of its divisors is an integer number (102828798).

Almost surely, 2^1928917232 is an apocalyptic number.

It is an amenable number.

1928917232 is an abundant number, since it is smaller than the sum of its proper divisors (2184234688).

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

1928917232 is a wasteful number, since it uses less digits than its factorization.

1928917232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97121 (or 97115 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 1928917232 is about 43919.4402514422. The cubic root of 1928917232 is about 1244.8141918263.

The spelling of 1928917232 in words is "one billion, nine hundred twenty-eight million, nine hundred seventeen thousand, two hundred thirty-two".