208450928 has 40 divisors (see below), whose sum is σ = 472315008. Its totient is φ = 87256512.

The previous prime is 208450897. The next prime is 208450937. The reversal of 208450928 is 829054802.

208450928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×208450928² = 86903578768122368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 208450891 and 208450900.

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, 16826 + ... + 26457.

Almost surely, 2^208450928 is an apocalyptic number.

208450928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

208450928 is an abundant number, since it is smaller than the sum of its proper divisors (263864080).

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

208450928 is a wasteful number, since it uses less digits than its factorization.

208450928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43341 (or 43335 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 208450928 is about 14437.8297538100. The cubic root of 208450928 is about 592.9270688840.

The spelling of 208450928 in words is "two hundred eight million, four hundred fifty thousand, nine hundred twenty-eight".