208489000 has 32 divisors (see below), whose sum is σ = 487866600. Its totient is φ = 83395200.

The previous prime is 208488991. The next prime is 208489027. The reversal of 208489000 is 984802.

It can be written as a sum of positive squares in 4 ways, for example, as 47858724 + 160630276 = 6918^2 + 12674^2 .

It is a congruent number.

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, 103245 + ... + 105244.

Almost surely, 2^208489000 is an apocalyptic number.

208489000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208489000 is an abundant number, since it is smaller than the sum of its proper divisors (279377600).

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

208489000 is a wasteful number, since it uses less digits than its factorization.

208489000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208510 (or 208496 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 208489000 is about 14439.1481743211. The cubic root of 208489000 is about 592.9631645819.

The spelling of 208489000 in words is "two hundred eight million, four hundred eighty-nine thousand".