190047434 has 8 divisors (see below), whose sum is σ = 285879780. Its totient is φ = 94754176.

The previous prime is 190047433. The next prime is 190047439. The reversal of 190047434 is 434740091.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 161925625 + 28121809 = 12725^2 + 5303^2 .

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

It is a super-2 number, since 2×190047434² = 72236054339968712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190047434.

It is not an unprimeable number, because it can be changed into a prime (190047433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133889 + ... + 135300.

Almost surely, 2^190047434 is an apocalyptic number.

190047434 is a deficient number, since it is larger than the sum of its proper divisors (95832346).

190047434 is a wasteful number, since it uses less digits than its factorization.

190047434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269544.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 190047434 is about 13785.7692567372. The cubic root of 190047434 is about 574.9375448233.

The spelling of 190047434 in words is "one hundred ninety million, forty-seven thousand, four hundred thirty-four".