194270380 has 24 divisors (see below), whose sum is σ = 411087600. Its totient is φ = 77113920.

The previous prime is 194270371. The next prime is 194270389. The reversal of 194270380 is 83072491.

It is an interprime number because it is at equal distance from previous prime (194270371) and next prime (194270389).

It is not an unprimeable number, because it can be changed into a prime (194270389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34455 + ... + 39694.

It is an arithmetic number, because the mean of its divisors is an integer number (17128650).

Almost surely, 2^194270380 is an apocalyptic number.

194270380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194270380 is an abundant number, since it is smaller than the sum of its proper divisors (216817220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194270380 is a wasteful number, since it uses less digits than its factorization.

194270380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74289 (or 74287 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 194270380 is about 13938.0909740179. The cubic root of 194270380 is about 579.1648503529.

The spelling of 194270380 in words is "one hundred ninety-four million, two hundred seventy thousand, three hundred eighty".