194941870 has 16 divisors (see below), whose sum is σ = 354514608. Its totient is φ = 77172480.

The previous prime is 194941867. The next prime is 194941891. The reversal of 194941870 is 78149491.

It is a congruent number.

It is an unprimeable number.

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, 99516 + ... + 101455.

It is an arithmetic number, because the mean of its divisors is an integer number (22157163).

Almost surely, 2^194941870 is an apocalyptic number.

194941870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194941870 is a deficient number, since it is larger than the sum of its proper divisors (159572738).

194941870 is a wasteful number, since it uses less digits than its factorization.

194941870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201075.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 194941870 is about 13962.1585007477. The cubic root of 194941870 is about 579.8313719056.

The spelling of 194941870 in words is "one hundred ninety-four million, nine hundred forty-one thousand, eight hundred seventy".