1027620636 has 24 divisors (see below), whose sum is σ = 2740321920. Its totient is φ = 293605872.

The previous prime is 1027620589. The next prime is 1027620661. The reversal of 1027620636 is 6360267201.

1027620636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1027620597 and 1027620606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6116706 + ... + 6116873.

It is an arithmetic number, because the mean of its divisors is an integer number (114180080).

Almost surely, 2^1027620636 is an apocalyptic number.

It is an amenable number.

1027620636 is an abundant number, since it is smaller than the sum of its proper divisors (1712701284).

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

1027620636 is a wasteful number, since it uses less digits than its factorization.

1027620636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12233593 (or 12233591 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1027620636 is about 32056.5225188260. The cubic root of 1027620636 is about 1009.1233893021.

Adding to 1027620636 its reverse (6360267201), we get a palindrome (7387887837).

The spelling of 1027620636 in words is "one billion, twenty-seven million, six hundred twenty thousand, six hundred thirty-six".