194745894 has 24 divisors (see below), whose sum is σ = 453082968. Its totient is φ = 55641600.

The previous prime is 194745893. The next prime is 194745907. The reversal of 194745894 is 498547491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194745893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330907 + ... + 331494.

It is an arithmetic number, because the mean of its divisors is an integer number (18878457).

Almost surely, 2^194745894 is an apocalyptic number.

194745894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

194745894 is an abundant number, since it is smaller than the sum of its proper divisors (258337074).

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

194745894 is a wasteful number, since it uses less digits than its factorization.

194745894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662420 (or 662413 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 194745894 is about 13955.1386234605. The cubic root of 194745894 is about 579.6370043354.

The spelling of 194745894 in words is "one hundred ninety-four million, seven hundred forty-five thousand, eight hundred ninety-four".