890010194 has 4 divisors (see below), whose sum is σ = 1335015294. Its totient is φ = 445005096.

The previous prime is 890010193. The next prime is 890010263. The reversal of 890010194 is 491010098.

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., 502432225 + 387577969 = 22415^2 + 19687^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 890010194.

It is not an unprimeable number, because it can be changed into a prime (890010193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222502547 + ... + 222502550.

Almost surely, 2^890010194 is an apocalyptic number.

890010194 is a deficient number, since it is larger than the sum of its proper divisors (445005100).

890010194 is a wasteful number, since it uses less digits than its factorization.

890010194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445005099.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 890010194 is about 29833.0386316915. The cubic root of 890010194 is about 961.9038441069.

The spelling of 890010194 in words is "eight hundred ninety million, ten thousand, one hundred ninety-four".