1028662088 has 24 divisors (see below), whose sum is σ = 1992980790. Its totient is φ = 497736000.

The previous prime is 1028662087. The next prime is 1028662091. The reversal of 1028662088 is 8802668201.

It can be written as a sum of positive squares in only one way, i.e., 581677924 + 446984164 = 24118^2 + 21142^2 .

It is not an unprimeable number, because it can be changed into a prime (1028662087) 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, 59213 + ... + 74588.

Almost surely, 2^1028662088 is an apocalyptic number.

It is an amenable number.

1028662088 is a deficient number, since it is larger than the sum of its proper divisors (964318702).

1028662088 is a wasteful number, since it uses less digits than its factorization.

1028662088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133869 (or 133834 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 1028662088 is about 32072.7624005167. The cubic root of 1028662088 is about 1009.4641761327.

The spelling of 1028662088 in words is "one billion, twenty-eight million, six hundred sixty-two thousand, eighty-eight".