208004424 has 32 divisors (see below), whose sum is σ = 521946240. Its totient is φ = 69076800.

The previous prime is 208004359. The next prime is 208004431. The reversal of 208004424 is 424400802.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 208004394 and 208004403.

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 7 ways as a sum of consecutive naturals, for example, 9487 + ... + 22494.

It is an arithmetic number, because the mean of its divisors is an integer number (16310820).

Almost surely, 2^208004424 is an apocalyptic number.

208004424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

208004424 is an abundant number, since it is smaller than the sum of its proper divisors (313941816).

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

208004424 is a wasteful number, since it uses less digits than its factorization.

208004424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32261 (or 32257 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 208004424 is about 14422.3584756447. The cubic root of 208004424 is about 592.5034143192.

The spelling of 208004424 in words is "two hundred eight million, four thousand, four hundred twenty-four".