1028653317 has 32 divisors (see below), whose sum is σ = 1569734400. Its totient is φ = 665267904.

The previous prime is 1028653291. The next prime is 1028653319. The reversal of 1028653317 is 7133568201.

1028653317 is a `hidden beast` number, since 10 + 286 + 53 + 317 = 666.

It is not a de Polignac number, because 1028653317 - 2¹⁴ = 1028636933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028653319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387288 + ... + 389934.

It is an arithmetic number, because the mean of its divisors is an integer number (49054200).

Almost surely, 2^1028653317 is an apocalyptic number.

It is an amenable number.

1028653317 is a deficient number, since it is larger than the sum of its proper divisors (541081083).

1028653317 is a wasteful number, since it uses less digits than its factorization.

1028653317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1028653317 is about 32072.6256642639. The cubic root of 1028653317 is about 1009.4613070223.

The spelling of 1028653317 in words is "one billion, twenty-eight million, six hundred fifty-three thousand, three hundred seventeen".