196090458 has 8 divisors (see below), whose sum is σ = 392180928. Its totient is φ = 65363484.

The previous prime is 196090457. The next prime is 196090463. The reversal of 196090458 is 854090691.

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

196090458 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (196090457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16340866 + ... + 16340877.

It is an arithmetic number, because the mean of its divisors is an integer number (49022616).

Almost surely, 2^196090458 is an apocalyptic number.

196090458 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.

196090458 is a wasteful number, since it uses less digits than its factorization.

196090458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32681748.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 196090458 is about 14003.2302701912. The cubic root of 196090458 is about 580.9679220511.

The spelling of 196090458 in words is "one hundred ninety-six million, ninety thousand, four hundred fifty-eight".