194738340 has 48 divisors (see below), whose sum is σ = 546340032. Its totient is φ = 51828096.

The previous prime is 194738333. The next prime is 194738387. The reversal of 194738340 is 43837491.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30507 + ... + 36333.

It is an arithmetic number, because the mean of its divisors is an integer number (11382084).

Almost surely, 2^194738340 is an apocalyptic number.

194738340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194738340 is an abundant number, since it is smaller than the sum of its proper divisors (351601692).

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

194738340 is a wasteful number, since it uses less digits than its factorization.

194738340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6396 (or 6394 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 194738340 is about 13954.8679678455. The cubic root of 194738340 is about 579.6295097237.

The spelling of 194738340 in words is "one hundred ninety-four million, seven hundred thirty-eight thousand, three hundred forty".