1026986688 has 420 divisors, whose sum is σ = 3826014192. Its totient is φ = 269982720.

The previous prime is 1026986629. The next prime is 1026986699. The reversal of 1026986688 is 8866896201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3302053 + ... + 3302363.

Almost surely, 2^1026986688 is an apocalyptic number.

1026986688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026986688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1913007096).

1026986688 is an abundant number, since it is smaller than the sum of its proper divisors (2799027504).

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

1026986688 is a wasteful number, since it uses less digits than its factorization.

1026986688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 1026986688 is about 32046.6330212707. The cubic root of 1026986688 is about 1008.9158343189.

The spelling of 1026986688 in words is "one billion, twenty-six million, nine hundred eighty-six thousand, six hundred eighty-eight".