1027686933 has 40 divisors (see below), whose sum is σ = 1889474048. Its totient is φ = 542072736.

The previous prime is 1027686917. The next prime is 1027686977. The reversal of 1027686933 is 3396867201.

It is not a de Polignac number, because 1027686933 - 2⁴ = 1027686917 is a prime.

It is a super-2 number, since 2×1027686933² = 2112280864517892978, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027686733) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 62341 + ... + 77082.

Almost surely, 2^1027686933 is an apocalyptic number.

1027686933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1027686933 is a deficient number, since it is larger than the sum of its proper divisors (861787115).

1027686933 is a wasteful number, since it uses less digits than its factorization.

1027686933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139455 (or 139446 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1027686933 is about 32057.5565662762. The cubic root of 1027686933 is about 1009.1450900518.

The spelling of 1027686933 in words is "one billion, twenty-seven million, six hundred eighty-six thousand, nine hundred thirty-three".