194309330 has 16 divisors (see below), whose sum is σ = 349916544. Its totient is φ = 77688240.

The previous prime is 194309329. The next prime is 194309341. The reversal of 194309330 is 33903491.

It is a super-2 number, since 2×194309330² = 75512231450097800, which contains 22 as substring.

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, 36839 + ... + 41781.

It is an arithmetic number, because the mean of its divisors is an integer number (21869784).

Almost surely, 2^194309330 is an apocalyptic number.

194309330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194309330 is a deficient number, since it is larger than the sum of its proper divisors (155607214).

194309330 is a wasteful number, since it uses less digits than its factorization.

194309330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8881.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 194309330 is about 13939.4881541612. The cubic root of 194309330 is about 579.2035540802.

The spelling of 194309330 in words is "one hundred ninety-four million, three hundred nine thousand, three hundred thirty".