193949230 has 16 divisors (see below), whose sum is σ = 349413120. Its totient is φ = 77512032.

The previous prime is 193949219. The next prime is 193949233. The reversal of 193949230 is 32949391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193949233) 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, 4531 + ... + 20209.

It is an arithmetic number, because the mean of its divisors is an integer number (21838320).

Almost surely, 2^193949230 is an apocalyptic number.

193949230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193949230 is a deficient number, since it is larger than the sum of its proper divisors (155463890).

193949230 is a wasteful number, since it uses less digits than its factorization.

193949230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 193949230 is about 13926.5656211429. The cubic root of 193949230 is about 578.8455335705.

The spelling of 193949230 in words is "one hundred ninety-three million, nine hundred forty-nine thousand, two hundred thirty".