1030529988 has 18 divisors (see below), whose sum is σ = 2604950894. Its totient is φ = 343509984.

The previous prime is 1030529917. The next prime is 1030529989. The reversal of 1030529988 is 8899250301.

It is a happy number.

1030529988 is a `hidden beast` number, since 1 + 0 + 30 + 529 + 98 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 917362944 + 113167044 = 30288^2 + 10638^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1030529989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14312881 + ... + 14312952.

Almost surely, 2^1030529988 is an apocalyptic number.

1030529988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1030529988 is an abundant number, since it is smaller than the sum of its proper divisors (1574420906).

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

1030529988 is a wasteful number, since it uses less digits than its factorization.

1030529988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28625843 (or 28625838 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 1030529988 is about 32101.8689175568. The cubic root of 1030529988 is about 1010.0748198012.

The spelling of 1030529988 in words is "one billion, thirty million, five hundred twenty-nine thousand, nine hundred eighty-eight".