1026528084 has 18 divisors (see below), whose sum is σ = 2594834970. Its totient is φ = 342176016.

The previous prime is 1026528077. The next prime is 1026528091. The reversal of 1026528084 is 4808256201.

It is an interprime number because it is at equal distance from previous prime (1026528077) and next prime (1026528091).

It can be written as a sum of positive squares in only one way, i.e., 646278084 + 380250000 = 25422^2 + 19500^2 .

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

It is a super-2 number, since 2×1026528084² = 2107519814481422112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 28514669 = 1026528084 / (1 + 0 + 2 + 6 + 5 + 2 + 8 + 0 + 8 + 4).

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 5 ways as a sum of consecutive naturals, for example, 14257299 + ... + 14257370.

Almost surely, 2^1026528084 is an apocalyptic number.

It is an amenable number.

1026528084 is an abundant number, since it is smaller than the sum of its proper divisors (1568306886).

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

1026528084 is a wasteful number, since it uses less digits than its factorization.

1026528084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28514679 (or 28514674 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1026528084 is about 32039.4769620230. The cubic root of 1026528084 is about 1008.7656338239.

The spelling of 1026528084 in words is "one billion, twenty-six million, five hundred twenty-eight thousand, eighty-four".