208102944 has 48 divisors (see below), whose sum is σ = 624310848. Its totient is φ = 59457792.

The previous prime is 208102943. The next prime is 208102949. The reversal of 208102944 is 449201802.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (208102943) 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, 154167 + ... + 155510.

It is an arithmetic number, because the mean of its divisors is an integer number (13006476).

Almost surely, 2^208102944 is an apocalyptic number.

208102944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

208102944 is an abundant number, since it is smaller than the sum of its proper divisors (416207904).

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

208102944 is a wasteful number, since it uses less digits than its factorization.

208102944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309697 (or 309689 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 208102944 is about 14425.7736014399. The cubic root of 208102944 is about 592.5969447381.

The spelling of 208102944 in words is "two hundred eight million, one hundred two thousand, nine hundred forty-four".