1029208648 has 24 divisors (see below), whose sum is σ = 2089631250. Its totient is φ = 475018752.

The previous prime is 1029208639. The next prime is 1029208717. The reversal of 1029208648 is 8468029201.

1029208648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 181117764 + 848090884 = 13458^2 + 29122^2 .

It is a super-2 number, since 2×1029208648² = 2118540882235975808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1029208648.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379273 + ... + 381976.

Almost surely, 2^1029208648 is an apocalyptic number.

It is an amenable number.

1029208648 is an abundant number, since it is smaller than the sum of its proper divisors (1060422602).

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

1029208648 is a wasteful number, since it uses less digits than its factorization.

1029208648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761281 (or 761264 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1029208648 is about 32081.2818945877. The cubic root of 1029208648 is about 1009.6429309956.

The spelling of 1029208648 in words is "one billion, twenty-nine million, two hundred eight thousand, six hundred forty-eight".