189928692 has 192 divisors, whose sum is σ = 557383680. Its totient is φ = 55641600.

The previous prime is 189928691. The next prime is 189928747. The reversal of 189928692 is 296829981.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189928691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2675017 + ... + 2675087.

It is an arithmetic number, because the mean of its divisors is an integer number (2903040).

Almost surely, 2^189928692 is an apocalyptic number.

189928692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189928692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278691840).

189928692 is an abundant number, since it is smaller than the sum of its proper divisors (367454988).

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

189928692 is a wasteful number, since it uses less digits than its factorization.

189928692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 171 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 189928692 is about 13781.4618963302. The cubic root of 189928692 is about 574.8177791843.

The spelling of 189928692 in words is "one hundred eighty-nine million, nine hundred twenty-eight thousand, six hundred ninety-two".