194993514 has 32 divisors (see below), whose sum is σ = 436746240. Its totient is φ = 64483776.

The previous prime is 194993501. The next prime is 194993521. The reversal of 194993514 is 415399491.

194993514 is a `hidden beast` number, since 1 + 9 + 49 + 93 + 514 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 194993514.

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, 7359 + ... + 21074.

It is an arithmetic number, because the mean of its divisors is an integer number (13648320).

Almost surely, 2^194993514 is an apocalyptic number.

194993514 is an abundant number, since it is smaller than the sum of its proper divisors (241752726).

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

194993514 is a wasteful number, since it uses less digits than its factorization.

194993514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28571 (or 28565 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 194993514 is about 13964.0078057841. The cubic root of 194993514 is about 579.8825703602.

The spelling of 194993514 in words is "one hundred ninety-four million, nine hundred ninety-three thousand, five hundred fourteen".