208801642 has 24 divisors (see below), whose sum is σ = 365354496. Its totient is φ = 89236728.

The previous prime is 208801639. The next prime is 208801651. The reversal of 208801642 is 246108802.

208801642 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 11 ways as a sum of consecutive naturals, for example, 34753 + ... + 40315.

It is an arithmetic number, because the mean of its divisors is an integer number (15223104).

Almost surely, 2^208801642 is an apocalyptic number.

208801642 is a deficient number, since it is larger than the sum of its proper divisors (156552854).

208801642 is a wasteful number, since it uses less digits than its factorization.

208801642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962 (or 5955 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 208801642 is about 14449.9703113882. The cubic root of 208801642 is about 593.2594113885.

It can be divided in two parts, 20880 and 1642, that added together give a palindrome (22522).

The spelling of 208801642 in words is "two hundred eight million, eight hundred one thousand, six hundred forty-two".