196940672 has 16 divisors (see below), whose sum is σ = 392343000. Its totient is φ = 98470272.

The previous prime is 196940647. The next prime is 196940683. The reversal of 196940672 is 276049691.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×196940672³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 769172 + ... + 769427.

Almost surely, 2^196940672 is an apocalyptic number.

It is an amenable number.

196940672 is a deficient number, since it is larger than the sum of its proper divisors (195402328).

196940672 is an equidigital number, since it uses as much as digits as its factorization.

196940672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538613 (or 1538601 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 196940672 is about 14033.5552159814. Note that the first 3 decimals coincide. The cubic root of 196940672 is about 581.8063699307.

The spelling of 196940672 in words is "one hundred ninety-six million, nine hundred forty thousand, six hundred seventy-two".