1028712936 has 32 divisors (see below), whose sum is σ = 2598301440. Its totient is φ = 339368448.

The previous prime is 1028712931. The next prime is 1028712943. The reversal of 1028712936 is 6392178201.

It is a super-3 number, since 3×1028712936³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1028712894 and 1028712903.

It is not an unprimeable number, because it can be changed into a prime (1028712931) 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, 218616 + ... + 223271.

It is an arithmetic number, because the mean of its divisors is an integer number (81196920).

Almost surely, 2^1028712936 is an apocalyptic number.

It is an amenable number.

1028712936 is an abundant number, since it is smaller than the sum of its proper divisors (1569588504).

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

1028712936 is a wasteful number, since it uses less digits than its factorization.

1028712936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441993 (or 441989 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1028712936 is about 32073.5550882655. Note that the first 3 decimals coincide. The cubic root of 1028712936 is about 1009.4808088667.

The spelling of 1028712936 in words is "one billion, twenty-eight million, seven hundred twelve thousand, nine hundred thirty-six".