208974472 has 128 divisors (see below), whose sum is σ = 501258240. Its totient is φ = 79626240.

The previous prime is 208974461. The next prime is 208974497. The reversal of 208974472 is 274479802.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2154328 + ... + 2154424.

It is an arithmetic number, because the mean of its divisors is an integer number (3916080).

Almost surely, 2^208974472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208974472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250629120).

208974472 is an abundant number, since it is smaller than the sum of its proper divisors (292283768).

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

208974472 is a wasteful number, since it uses less digits than its factorization.

208974472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 208974472 is about 14455.9493634974. The cubic root of 208974472 is about 593.4230511415.

The spelling of 208974472 in words is "two hundred eight million, nine hundred seventy-four thousand, four hundred seventy-two".