1029864628 has 24 divisors (see below), whose sum is σ = 1942381952. Its totient is φ = 474958944.

The previous prime is 1029864599. The next prime is 1029864631. The reversal of 1029864628 is 8264689201.

It is a congruent number.

It is an unprimeable number.

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, 68401 + ... + 82087.

Almost surely, 2^1029864628 is an apocalyptic number.

It is an amenable number.

1029864628 is a deficient number, since it is larger than the sum of its proper divisors (912517324).

1029864628 is a wasteful number, since it uses less digits than its factorization.

1029864628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15151 (or 15149 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 1029864628 is about 32091.5039846998. The cubic root of 1029864628 is about 1009.8573886151.

The spelling of 1029864628 in words is "one billion, twenty-nine million, eight hundred sixty-four thousand, six hundred twenty-eight".