190634 has 4 divisors (see below), whose sum is σ = 285954. Its totient is φ = 95316.

The previous prime is 190633. The next prime is 190639. The reversal of 190634 is 436091.

190634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120409 + 70225 = 347^2 + 265^2 .

It is not an unprimeable number, because it can be changed into a prime (190633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47657 + ... + 47660.

2¹⁹⁰⁶³⁴ is an apocalyptic number.

190634 is a deficient number, since it is larger than the sum of its proper divisors (95320).

190634 is an equidigital number, since it uses as much as digits as its factorization.

190634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95319.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 190634 is about 436.6165365627. The cubic root of 190634 is about 57.5528436702.

The spelling of 190634 in words is "one hundred ninety thousand, six hundred thirty-four".