193397330 has 16 divisors (see below), whose sum is σ = 397846080. Its totient is φ = 66307632.

The previous prime is 193397329. The next prime is 193397357. The reversal of 193397330 is 33793391.

It is a super-2 number, since 2×193397330² = 74805054502257800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1381340 + ... + 1381479.

It is an arithmetic number, because the mean of its divisors is an integer number (24865380).

Almost surely, 2^193397330 is an apocalyptic number.

193397330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193397330 is an abundant number, since it is smaller than the sum of its proper divisors (204448750).

193397330 is a wasteful number, since it uses less digits than its factorization.

193397330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762833.

The product of its (nonzero) digits is 45927, while the sum is 38.

The square root of 193397330 is about 13906.7368566461. The cubic root of 193397330 is about 578.2959595884.

The spelling of 193397330 in words is "one hundred ninety-three million, three hundred ninety-seven thousand, three hundred thirty".