208813542 has 16 divisors (see below), whose sum is σ = 477288192. Its totient is φ = 59661000.

The previous prime is 208813523. The next prime is 208813571. The reversal of 208813542 is 245318802.

It is a congruent number.

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, 2485834 + ... + 2485917.

It is an arithmetic number, because the mean of its divisors is an integer number (29830512).

Almost surely, 2^208813542 is an apocalyptic number.

208813542 is an abundant number, since it is smaller than the sum of its proper divisors (268474650).

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

208813542 is a wasteful number, since it uses less digits than its factorization.

208813542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971763.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 208813542 is about 14450.3820710734. The cubic root of 208813542 is about 593.2706814992.

The spelling of 208813542 in words is "two hundred eight million, eight hundred thirteen thousand, five hundred forty-two".