194849340 has 96 divisors (see below), whose sum is σ = 638077440. Its totient is φ = 43497216.

The previous prime is 194849321. The next prime is 194849341. The reversal of 194849340 is 43948491.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 194849292 and 194849301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194849341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12666 + ... + 23454.

It is an arithmetic number, because the mean of its divisors is an integer number (6646640).

Almost surely, 2^194849340 is an apocalyptic number.

194849340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194849340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319038720).

194849340 is an abundant number, since it is smaller than the sum of its proper divisors (443228100).

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

194849340 is a wasteful number, since it uses less digits than its factorization.

194849340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10851 (or 10849 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 194849340 is about 13958.8445080529. The cubic root of 194849340 is about 579.7396175658.

The spelling of 194849340 in words is "one hundred ninety-four million, eight hundred forty-nine thousand, three hundred forty".