208512942 has 32 divisors (see below), whose sum is σ = 461355264. Its totient is φ = 62294400.

The previous prime is 208512937. The next prime is 208512961. The reversal of 208512942 is 249215802.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17563 + ... + 26934.

It is an arithmetic number, because the mean of its divisors is an integer number (14417352).

Almost surely, 2^208512942 is an apocalyptic number.

208512942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

208512942 is an abundant number, since it is smaller than the sum of its proper divisors (252842322).

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

208512942 is a wasteful number, since it uses less digits than its factorization.

208512942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44584.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 208512942 is about 14439.9772160485. The cubic root of 208512942 is about 592.9858615119.

The spelling of 208512942 in words is "two hundred eight million, five hundred twelve thousand, nine hundred forty-two".