208993370 has 16 divisors (see below), whose sum is σ = 377879040. Its totient is φ = 83221584.

The previous prime is 208993357. The next prime is 208993391. The reversal of 208993370 is 73399802.

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, 44630 + ... + 49089.

It is an arithmetic number, because the mean of its divisors is an integer number (23617440).

Almost surely, 2^208993370 is an apocalyptic number.

208993370 is a deficient number, since it is larger than the sum of its proper divisors (168885670).

208993370 is a wasteful number, since it uses less digits than its factorization.

208993370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93949.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 208993370 is about 14456.6029896376. The cubic root of 208993370 is about 593.4409387663.

It can be divided in two parts, 2089 and 93370, that added together give a palindrome (95459).

The spelling of 208993370 in words is "two hundred eight million, nine hundred ninety-three thousand, three hundred seventy".