192985380 has 144 divisors (see below), whose sum is σ = 676341120. Its totient is φ = 43628544.

The previous prime is 192985379. The next prime is 192985391. The reversal of 192985380 is 83589291.

It is a happy number.

192985380 is a `hidden beast` number, since 192 + 9 + 85 + 380 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 121431 + ... + 123009.

Almost surely, 2^192985380 is an apocalyptic number.

192985380 is a gapful number since it is divisible by the number (10) 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 192985380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338170560).

192985380 is an abundant number, since it is smaller than the sum of its proper divisors (483355740).

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

192985380 is a wasteful number, since it uses less digits than its factorization.

192985380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 192985380 is about 13891.9177941708. The cubic root of 192985380 is about 577.8850639309.

The spelling of 192985380 in words is "one hundred ninety-two million, nine hundred eighty-five thousand, three hundred eighty".