194243946 has 16 divisors (see below), whose sum is σ = 418371744. Its totient is φ = 59767344.

The previous prime is 194243939. The next prime is 194243953. The reversal of 194243946 is 649342491.

It is an interprime number because it is at equal distance from previous prime (194243939) and next prime (194243953).

It is a junction number, because it is equal to n+sod(n) for n = 194243898 and 194243907.

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, 1245076 + ... + 1245231.

It is an arithmetic number, because the mean of its divisors is an integer number (26148234).

Almost surely, 2^194243946 is an apocalyptic number.

194243946 is an abundant number, since it is smaller than the sum of its proper divisors (224127798).

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

194243946 is a wasteful number, since it uses less digits than its factorization.

194243946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490325.

The product of its digits is 186624, while the sum is 42.

The square root of 194243946 is about 13937.1426770339. The cubic root of 194243946 is about 579.1385805426.

The spelling of 194243946 in words is "one hundred ninety-four million, two hundred forty-three thousand, nine hundred forty-six".