208901004 has 24 divisors (see below), whose sum is σ = 524931120. Its totient is φ = 64277184.

The previous prime is 208900999. The next prime is 208901039. The reversal of 208901004 is 400109802.

208901004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 669399 + ... + 669710.

It is an arithmetic number, because the mean of its divisors is an integer number (21872130).

Almost surely, 2^208901004 is an apocalyptic number.

It is an amenable number.

208901004 is an abundant number, since it is smaller than the sum of its proper divisors (316030116).

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

208901004 is a wasteful number, since it uses less digits than its factorization.

208901004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339129 (or 1339127 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 208901004 is about 14453.4080410123. The cubic root of 208901004 is about 593.3535008365.

The spelling of 208901004 in words is "two hundred eight million, nine hundred one thousand, four".