1208535828 has 24 divisors (see below), whose sum is σ = 2942522688. Its totient is φ = 385330176.

The previous prime is 1208535827. The next prime is 1208535857. The reversal of 1208535828 is 8285358021.

It is a self number, because there is not a number n which added to its sum of digits gives 1208535828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208535827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2189101 + ... + 2189652.

It is an arithmetic number, because the mean of its divisors is an integer number (122605112).

Almost surely, 2^1208535828 is an apocalyptic number.

It is an amenable number.

1208535828 is an abundant number, since it is smaller than the sum of its proper divisors (1733986860).

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

1208535828 is a wasteful number, since it uses less digits than its factorization.

1208535828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378783 (or 4378781 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 1208535828 is about 34764.0018985157. The cubic root of 1208535828 is about 1065.1722492450.

The spelling of 1208535828 in words is "one billion, two hundred eight million, five hundred thirty-five thousand, eight hundred twenty-eight".