189796393 has 8 divisors (see below), whose sum is σ = 191420576. Its totient is φ = 188179200.

The previous prime is 189796363. The next prime is 189796433. The reversal of 189796393 is 393697981.

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

It is a cyclic number.

It is not a de Polignac number, because 189796393 - 2⁵ = 189796361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189796363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62398 + ... + 65368.

It is an arithmetic number, because the mean of its divisors is an integer number (23927572).

Almost surely, 2^189796393 is an apocalyptic number.

It is an amenable number.

189796393 is a deficient number, since it is larger than the sum of its proper divisors (1624183).

189796393 is a wasteful number, since it uses less digits than its factorization.

189796393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495.

The product of its digits is 2204496, while the sum is 55.

The square root of 189796393 is about 13776.6611702546. The cubic root of 189796393 is about 574.6842808680.

The spelling of 189796393 in words is "one hundred eighty-nine million, seven hundred ninety-six thousand, three hundred ninety-three".