196449408 has 64 divisors (see below), whose sum is σ = 579808800. Its totient is φ = 65481984.

The previous prime is 196449389. The next prime is 196449443. The reversal of 196449408 is 804944691.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24966 + ... + 31877.

Almost surely, 2^196449408 is an apocalyptic number.

196449408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

196449408 is an abundant number, since it is smaller than the sum of its proper divisors (383359392).

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

196449408 is an equidigital number, since it uses as much as digits as its factorization.

196449408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56866 (or 56848 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 196449408 is about 14016.0410958302. The cubic root of 196449408 is about 581.3221995642.

The spelling of 196449408 in words is "one hundred ninety-six million, four hundred forty-nine thousand, four hundred eight".