208212430 has 32 divisors (see below), whose sum is σ = 409639680. Its totient is φ = 75855360.

The previous prime is 208212421. The next prime is 208212437. The reversal of 208212430 is 34212802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208212437) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14485 + ... + 25024.

It is an arithmetic number, because the mean of its divisors is an integer number (12801240).

Almost surely, 2^208212430 is an apocalyptic number.

208212430 is a deficient number, since it is larger than the sum of its proper divisors (201427250).

208212430 is a wasteful number, since it uses less digits than its factorization.

208212430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39564.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 208212430 is about 14429.5679075986. The cubic root of 208212430 is about 592.7008511556.

The spelling of 208212430 in words is "two hundred eight million, two hundred twelve thousand, four hundred thirty".