196408618 has 8 divisors (see below), whose sum is σ = 336700512. Its totient is φ = 84175116.

The previous prime is 196408613. The next prime is 196408621. The reversal of 196408618 is 816804691.

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

It is not an unprimeable number, because it can be changed into a prime (196408613) 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, 7014580 + ... + 7014607.

It is an arithmetic number, because the mean of its divisors is an integer number (42087564).

Almost surely, 2^196408618 is an apocalyptic number.

196408618 is a deficient number, since it is larger than the sum of its proper divisors (140291894).

196408618 is a wasteful number, since it uses less digits than its factorization.

196408618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14029196.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 196408618 is about 14014.5859018381. The cubic root of 196408618 is about 581.2819622768.

The spelling of 196408618 in words is "one hundred ninety-six million, four hundred eight thousand, six hundred eighteen".