190047 has 16 divisors (see below), whose sum is σ = 298368. Its totient is φ = 106080.

The previous prime is 190031. The next prime is 190051. The reversal of 190047 is 740091.

It is not a de Polignac number, because 190047 - 2⁴ = 190031 is a prime.

It is a super-2 number, since 2×190047² = 72235724418, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208 + ... + 650.

It is an arithmetic number, because the mean of its divisors is an integer number (18648).

2¹⁹⁰⁰⁴⁷ is an apocalyptic number.

190047 is a deficient number, since it is larger than the sum of its proper divisors (108321).

190047 is a wasteful number, since it uses less digits than its factorization.

190047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 190047 is about 435.9438037179. The cubic root of 190047 is about 57.4937107173.

The spelling of 190047 in words is "one hundred ninety thousand, forty-seven".