189003239 has 8 divisors (see below), whose sum is σ = 191391648. Its totient is φ = 186624000.

The previous prime is 189003233. The next prime is 189003253. The reversal of 189003239 is 932300981.

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 189003239 - 2¹² = 188999143 is a prime.

It is a super-2 number, since 2×189003239² = 71444448704982242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189003199 and 189003208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189003233) 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, 45239 + ... + 49239.

It is an arithmetic number, because the mean of its divisors is an integer number (23923956).

Almost surely, 2^189003239 is an apocalyptic number.

189003239 is a deficient number, since it is larger than the sum of its proper divisors (2388409).

189003239 is an equidigital number, since it uses as much as digits as its factorization.

189003239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 189003239 is about 13747.8448856539. The cubic root of 189003239 is about 573.8826331115.

The spelling of 189003239 in words is "one hundred eighty-nine million, three thousand, two hundred thirty-nine".