196520458 has 12 divisors (see below), whose sum is σ = 311113170. Its totient is φ = 93088296.

The previous prime is 196520437. The next prime is 196520491. The reversal of 196520458 is 854025691.

196520458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 124389409 + 72131049 = 11153^2 + 8493^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 196520458.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135373 + ... + 136816.

Almost surely, 2^196520458 is an apocalyptic number.

196520458 is a deficient number, since it is larger than the sum of its proper divisors (114592712).

196520458 is a wasteful number, since it uses less digits than its factorization.

196520458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272229 (or 272210 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 196520458 is about 14018.5754625782. The cubic root of 196520458 is about 581.3922735243.

The spelling of 196520458 in words is "one hundred ninety-six million, five hundred twenty thousand, four hundred fifty-eight".