208832628 has 12 divisors (see below), whose sum is σ = 487276160. Its totient is φ = 69610872.

The previous prime is 208832623. The next prime is 208832651. The reversal of 208832628 is 826238802.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×208832628² = 87222133034772768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208832621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8701348 + ... + 8701371.

Almost surely, 2^208832628 is an apocalyptic number.

It is an amenable number.

208832628 is an abundant number, since it is smaller than the sum of its proper divisors (278443532).

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

208832628 is a wasteful number, since it uses less digits than its factorization.

208832628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17402726 (or 17402724 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 208832628 is about 14451.0424537471. The cubic root of 208832628 is about 593.2887563475.

It can be divided in two parts, 2088 and 32628, that added together give a triangular number (34716 = T₂₆₃).

The spelling of 208832628 in words is "two hundred eight million, eight hundred thirty-two thousand, six hundred twenty-eight".