192930985 has 8 divisors (see below), whose sum is σ = 249326280. Its totient is φ = 142472064.

The previous prime is 192930979. The next prime is 192931001. The reversal of 192930985 is 589039291.

It can be written as a sum of positive squares in 4 ways, for example, as 8976016 + 183954969 = 2996^2 + 13563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192930985 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484020 + ... + 1484149.

It is an arithmetic number, because the mean of its divisors is an integer number (31165785).

Almost surely, 2^192930985 is an apocalyptic number.

It is an amenable number.

192930985 is a deficient number, since it is larger than the sum of its proper divisors (56395295).

192930985 is a wasteful number, since it uses less digits than its factorization.

192930985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968187.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 192930985 is about 13889.9598631530. The cubic root of 192930985 is about 577.8307644604.

The spelling of 192930985 in words is "one hundred ninety-two million, nine hundred thirty thousand, nine hundred eighty-five".