189274003 has 8 divisors (see below), whose sum is σ = 199924736. Its totient is φ = 178907400.

The previous prime is 189273977. The next prime is 189274021. The reversal of 189274003 is 300472981.

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 189274003 - 2¹⁷ = 189142931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189274003.

It is not an unprimeable number, because it can be changed into a prime (189274093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69663 + ... + 72328.

It is an arithmetic number, because the mean of its divisors is an integer number (24990592).

Almost surely, 2^189274003 is an apocalyptic number.

189274003 is a deficient number, since it is larger than the sum of its proper divisors (10650733).

189274003 is a wasteful number, since it uses less digits than its factorization.

189274003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142065.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 189274003 is about 13757.6888684110. The cubic root of 189274003 is about 574.1565483722.

The spelling of 189274003 in words is "one hundred eighty-nine million, two hundred seventy-four thousand, three".