193147914 has 16 divisors (see below), whose sum is σ = 409019328. Its totient is φ = 60595392.

The previous prime is 193147883. The next prime is 193147919. The reversal of 193147914 is 419741391.

It is a super-2 number, since 2×193147914² = 74612233365102792, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (193147919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946702 + ... + 946905.

It is an arithmetic number, because the mean of its divisors is an integer number (25563708).

Almost surely, 2^193147914 is an apocalyptic number.

193147914 is an abundant number, since it is smaller than the sum of its proper divisors (215871414).

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

193147914 is a wasteful number, since it uses less digits than its factorization.

193147914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893629.

The product of its digits is 27216, while the sum is 39.

The square root of 193147914 is about 13897.7665112060. The cubic root of 193147914 is about 578.0472517175.

The spelling of 193147914 in words is "one hundred ninety-three million, one hundred forty-seven thousand, nine hundred fourteen".