208552393 has 16 divisors (see below), whose sum is σ = 241173504. Its totient is φ = 176651280.

The previous prime is 208552381. The next prime is 208552457. The reversal of 208552393 is 393255802.

It is a cyclic number.

It is not a de Polignac number, because 208552393 - 2¹³ = 208544201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208552373) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 427996 + ... + 428482.

It is an arithmetic number, because the mean of its divisors is an integer number (15073344).

Almost surely, 2^208552393 is an apocalyptic number.

It is an amenable number.

208552393 is a deficient number, since it is larger than the sum of its proper divisors (32621111).

208552393 is a wasteful number, since it uses less digits than its factorization.

208552393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 208552393 is about 14441.3431854520. The cubic root of 208552393 is about 593.0232571283.

The spelling of 208552393 in words is "two hundred eight million, five hundred fifty-two thousand, three hundred ninety-three".