193030930 has 8 divisors (see below), whose sum is σ = 347455692. Its totient is φ = 77212368.

The previous prime is 193030921. The next prime is 193030933. The reversal of 193030930 is 39030391.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 189530289 + 3500641 = 13767^2 + 1871^2 .

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

It is not an unprimeable number, because it can be changed into a prime (193030933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9651537 + ... + 9651556.

Almost surely, 2^193030930 is an apocalyptic number.

193030930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193030930 is a deficient number, since it is larger than the sum of its proper divisors (154424762).

193030930 is a wasteful number, since it uses less digits than its factorization.

193030930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19303100.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 193030930 is about 13893.5571399120. The cubic root of 193030930 is about 577.9305260862.

The spelling of 193030930 in words is "one hundred ninety-three million, thirty thousand, nine hundred thirty".