890194 has 4 divisors (see below), whose sum is σ = 1335294. Its totient is φ = 445096.

The previous prime is 890177. The next prime is 890221. The reversal of 890194 is 491098.

890194 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., 582169 + 308025 = 763^2 + 555^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222547 + ... + 222550.

2⁸⁹⁰¹⁹⁴ is an apocalyptic number.

890194 is a deficient number, since it is larger than the sum of its proper divisors (445100).

890194 is a wasteful number, since it uses less digits than its factorization.

890194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445099.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 890194 is about 943.5009273975. The cubic root of 890194 is about 96.1970057404.

The spelling of 890194 in words is "eight hundred ninety thousand, one hundred ninety-four".