1028618286 has 32 divisors (see below), whose sum is σ = 2179623168. Its totient is φ = 322500480.

The previous prime is 1028618281. The next prime is 1028618287. The reversal of 1028618286 is 6828168201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028618281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312831 + ... + 316101.

It is an arithmetic number, because the mean of its divisors is an integer number (68113224).

Almost surely, 2^1028618286 is an apocalyptic number.

1028618286 is an abundant number, since it is smaller than the sum of its proper divisors (1151004882).

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

1028618286 is a wasteful number, since it uses less digits than its factorization.

1028618286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 1028618286 is about 32072.0795396869. The cubic root of 1028618286 is about 1009.4498477548.

The spelling of 1028618286 in words is "one billion, twenty-eight million, six hundred eighteen thousand, two hundred eighty-six".