208943238 has 32 divisors (see below), whose sum is σ = 482517504. Its totient is φ = 59081472.

The previous prime is 208943233. The next prime is 208943261. The reversal of 208943238 is 832349802.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 208943196 and 208943205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208943233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21570 + ... + 29717.

It is an arithmetic number, because the mean of its divisors is an integer number (15078672).

Almost surely, 2^208943238 is an apocalyptic number.

208943238 is an abundant number, since it is smaller than the sum of its proper divisors (273574266).

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

208943238 is a wasteful number, since it uses less digits than its factorization.

208943238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51396.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 208943238 is about 14454.8690066704. The cubic root of 208943238 is about 593.3934846927.

The spelling of 208943238 in words is "two hundred eight million, nine hundred forty-three thousand, two hundred thirty-eight".