194038933 has 8 divisors (see below), whose sum is σ = 212056416. Its totient is φ = 176084400.

The previous prime is 194038927. The next prime is 194038939. The reversal of 194038933 is 339830491.

It is an interprime number because it is at equal distance from previous prime (194038927) and next prime (194038939).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194038933 is a prime.

It is a super-2 number, since 2×194038933² = 75302215039556978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194038939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9166 + ... + 21727.

It is an arithmetic number, because the mean of its divisors is an integer number (26507052).

Almost surely, 2^194038933 is an apocalyptic number.

It is an amenable number.

194038933 is a deficient number, since it is larger than the sum of its proper divisors (18017483).

194038933 is a wasteful number, since it uses less digits than its factorization.

194038933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31475.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 194038933 is about 13929.7858203204. The cubic root of 194038933 is about 578.9347599758.

The spelling of 194038933 in words is "one hundred ninety-four million, thirty-eight thousand, nine hundred thirty-three".