196458885 has 96 divisors (see below), whose sum is σ = 430427520. Its totient is φ = 84478464.

The previous prime is 196458881. The next prime is 196458887. The reversal of 196458885 is 588854691.

It is a happy number.

It is not a de Polignac number, because 196458885 - 2² = 196458881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196458881) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 111582 + ... + 113328.

It is an arithmetic number, because the mean of its divisors is an integer number (4483620).

Almost surely, 2^196458885 is an apocalyptic number.

196458885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196458885 is an abundant number, since it is smaller than the sum of its proper divisors (233968635).

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

196458885 is a wasteful number, since it uses less digits than its factorization.

196458885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 1779 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 196458885 is about 14016.3791686726. The cubic root of 196458885 is about 581.3315473516.

The spelling of 196458885 in words is "one hundred ninety-six million, four hundred fifty-eight thousand, eight hundred eighty-five".