208530492 has 12 divisors (see below), whose sum is σ = 486571176. Its totient is φ = 69510160.

The previous prime is 208530473. The next prime is 208530523. The reversal of 208530492 is 294035802.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8688759 + ... + 8688782.

It is an arithmetic number, because the mean of its divisors is an integer number (40547598).

Almost surely, 2^208530492 is an apocalyptic number.

It is an amenable number.

208530492 is an abundant number, since it is smaller than the sum of its proper divisors (278040684).

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

208530492 is a wasteful number, since it uses less digits than its factorization.

208530492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17377548 (or 17377546 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 208530492 is about 14440.5848912016. The cubic root of 208530492 is about 593.0024977453.

The spelling of 208530492 in words is "two hundred eight million, five hundred thirty thousand, four hundred ninety-two".