208196949 has 8 divisors (see below), whose sum is σ = 281398912. Its totient is φ = 136896480.

The previous prime is 208196941. The next prime is 208196957. The reversal of 208196949 is 949691802.

208196949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (208196941) and next prime (208196957).

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

It is not a de Polignac number, because 208196949 - 2³ = 208196941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 208196898 and 208196907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208196941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475117 + ... + 475554.

It is an arithmetic number, because the mean of its divisors is an integer number (35174864).

Almost surely, 2^208196949 is an apocalyptic number.

It is an amenable number.

208196949 is a deficient number, since it is larger than the sum of its proper divisors (73201963).

208196949 is an equidigital number, since it uses as much as digits as its factorization.

208196949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950747.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 208196949 is about 14429.0314643776. The cubic root of 208196949 is about 592.6861613036.

The spelling of 208196949 in words is "two hundred eight million, one hundred ninety-six thousand, nine hundred forty-nine".