208336442 has 4 divisors (see below), whose sum is σ = 312504666. Its totient is φ = 104168220.

The previous prime is 208336441. The next prime is 208336511. The reversal of 208336442 is 244633802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 127893481 + 80442961 = 11309^2 + 8969^2 .

It is a junction number, because it is equal to n+sod(n) for n = 208336399 and 208336408.

It is not an unprimeable number, because it can be changed into a prime (208336441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52084109 + ... + 52084112.

Almost surely, 2^208336442 is an apocalyptic number.

208336442 is a deficient number, since it is larger than the sum of its proper divisors (104168224).

208336442 is a wasteful number, since it uses less digits than its factorization.

208336442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104168223.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 208336442 is about 14433.8644167111. The cubic root of 208336442 is about 592.8184993192.

The spelling of 208336442 in words is "two hundred eight million, three hundred thirty-six thousand, four hundred forty-two".