494690190 has 16 divisors (see below), whose sum is σ = 1187256528. Its totient is φ = 131917376.

The previous prime is 494690177. The next prime is 494690197. The reversal of 494690190 is 91096494.

It is a super-2 number, since 2×494690190² = 489436768164472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494690197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8244807 + ... + 8244866.

It is an arithmetic number, because the mean of its divisors is an integer number (74203533).

Almost surely, 2^494690190 is an apocalyptic number.

494690190 is an abundant number, since it is smaller than the sum of its proper divisors (692566338).

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

494690190 is a wasteful number, since it uses less digits than its factorization.

494690190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16489683.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 494690190 is about 22241.6319095520. The cubic root of 494690190 is about 790.8809219360.

The spelling of 494690190 in words is "four hundred ninety-four million, six hundred ninety thousand, one hundred ninety".