208880842 has 16 divisors (see below), whose sum is σ = 323563680. Its totient is φ = 101071152.

The previous prime is 208880809. The next prime is 208880857. The reversal of 208880842 is 248088802.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 208880795 and 208880804.

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, 1768 + ... + 20515.

It is an arithmetic number, because the mean of its divisors is an integer number (20222730).

Almost surely, 2^208880842 is an apocalyptic number.

208880842 is a deficient number, since it is larger than the sum of its proper divisors (114682838).

208880842 is a wasteful number, since it uses less digits than its factorization.

208880842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22437.

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 208880842 is about 14452.7105416251. The cubic root of 208880842 is about 593.3344111274.

The spelling of 208880842 in words is "two hundred eight million, eight hundred eighty thousand, eight hundred forty-two".