194821936 has 10 divisors (see below), whose sum is σ = 377467532. Its totient is φ = 97410960.

The previous prime is 194821903. The next prime is 194821961. The reversal of 194821936 is 639128491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 194821892 and 194821901.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6088170 + ... + 6088201.

Almost surely, 2^194821936 is an apocalyptic number.

194821936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194821936 is a deficient number, since it is larger than the sum of its proper divisors (182645596).

194821936 is a wasteful number, since it uses less digits than its factorization.

194821936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12176379 (or 12176373 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 194821936 is about 13957.8628736637. The cubic root of 194821936 is about 579.7124377126.

The spelling of 194821936 in words is "one hundred ninety-four million, eight hundred twenty-one thousand, nine hundred thirty-six".