194049340 has 24 divisors (see below), whose sum is σ = 408692592. Its totient is φ = 77393280.

The previous prime is 194049313. The next prime is 194049343. The reversal of 194049340 is 43940491.

It is a junction number, because it is equal to n+sod(n) for n = 194049296 and 194049305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194049343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7041 + ... + 20920.

It is an arithmetic number, because the mean of its divisors is an integer number (17028858).

Almost surely, 2^194049340 is an apocalyptic number.

194049340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194049340 is an abundant number, since it is smaller than the sum of its proper divisors (214643252).

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

194049340 is a wasteful number, since it uses less digits than its factorization.

194049340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28317 (or 28315 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 194049340 is about 13930.1593673583. The cubic root of 194049340 is about 578.9451099027.

The spelling of 194049340 in words is "one hundred ninety-four million, forty-nine thousand, three hundred forty".