193021214 has 8 divisors (see below), whose sum is σ = 294439320. Its totient is φ = 94874776.

The previous prime is 193021211. The next prime is 193021229. The reversal of 193021214 is 412120391.

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

It is a self number, because there is not a number n which added to its sum of digits gives 193021214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193021211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817769 + ... + 818004.

It is an arithmetic number, because the mean of its divisors is an integer number (36804915).

Almost surely, 2^193021214 is an apocalyptic number.

193021214 is a deficient number, since it is larger than the sum of its proper divisors (101418106).

193021214 is a wasteful number, since it uses less digits than its factorization.

193021214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635834.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 193021214 is about 13893.2074770371. The cubic root of 193021214 is about 577.9208294240.

The spelling of 193021214 in words is "one hundred ninety-three million, twenty-one thousand, two hundred fourteen".