189342803 has 8 divisors (see below), whose sum is σ = 208650288. Its totient is φ = 170712864.

The previous prime is 189342779. The next prime is 189342817. The reversal of 189342803 is 308243981.

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 189342803 - 2⁸ = 189342547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189342863) 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, 168800 + ... + 169917.

It is an arithmetic number, because the mean of its divisors is an integer number (26081286).

Almost surely, 2^189342803 is an apocalyptic number.

189342803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

189342803 is a deficient number, since it is larger than the sum of its proper divisors (19307485).

189342803 is a wasteful number, since it uses less digits than its factorization.

189342803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338773.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 189342803 is about 13760.1890612012. The cubic root of 189342803 is about 574.2261074675.

The spelling of 189342803 in words is "one hundred eighty-nine million, three hundred forty-two thousand, eight hundred three".