208465628 has 24 divisors (see below), whose sum is σ = 441457632. Its totient is φ = 84086784.

The previous prime is 208465627. The next prime is 208465637. The reversal of 208465628 is 826564802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208465627) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 218501 + ... + 219452.

It is an arithmetic number, because the mean of its divisors is an integer number (18394068).

Almost surely, 2^208465628 is an apocalyptic number.

208465628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

208465628 is an abundant number, since it is smaller than the sum of its proper divisors (232992004).

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

208465628 is a wasteful number, since it uses less digits than its factorization.

208465628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437981 (or 437979 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 208465628 is about 14438.3388241169. The cubic root of 208465628 is about 592.9410063338.

It can be divided in two parts, 20 and 8465628, that added together give a palindrome (8465648).

The spelling of 208465628 in words is "two hundred eight million, four hundred sixty-five thousand, six hundred twenty-eight".