208742200 has 48 divisors (see below), whose sum is σ = 486297000. Its totient is φ = 83329920.

The previous prime is 208742159. The next prime is 208742231. The reversal of 208742200 is 2247802.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 165171 + ... + 166429.

Almost surely, 2^208742200 is an apocalyptic number.

208742200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208742200 is an abundant number, since it is smaller than the sum of its proper divisors (277554800).

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

208742200 is a wasteful number, since it uses less digits than its factorization.

208742200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2095 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 208742200 is about 14447.9133441477. The cubic root of 208742200 is about 593.2031093522.

The spelling of 208742200 in words is "two hundred eight million, seven hundred forty-two thousand, two hundred".