190940286 has 8 divisors (see below), whose sum is σ = 381880584. Its totient is φ = 63646760.

The previous prime is 190940257. The next prime is 190940287. The reversal of 190940286 is 682049091.

190940286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

190940286 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190940287) 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, 15911685 + ... + 15911696.

It is an arithmetic number, because the mean of its divisors is an integer number (47735073).

Almost surely, 2^190940286 is an apocalyptic number.

190940286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190940286 is a wasteful number, since it uses less digits than its factorization.

190940286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31823386.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 190940286 is about 13818.1144155055. The cubic root of 190940286 is about 575.8364999387.

It can be divided in two parts, 1909 and 40286, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 190940286 in words is "one hundred ninety million, nine hundred forty thousand, two hundred eighty-six".