1936849866 has 16 divisors (see below), whose sum is σ = 4427085504. Its totient is φ = 553385664.

The previous prime is 1936849853. The next prime is 1936849867. The reversal of 1936849866 is 6689486391.

It is not an unprimeable number, because it can be changed into a prime (1936849867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23057695 + ... + 23057778.

It is an arithmetic number, because the mean of its divisors is an integer number (276692844).

Almost surely, 2^1936849866 is an apocalyptic number.

1936849866 is an abundant number, since it is smaller than the sum of its proper divisors (2490235638).

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

1936849866 is a wasteful number, since it uses less digits than its factorization.

1936849866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46115485.

The product of its digits is 13436928, while the sum is 60.

The square root of 1936849866 is about 44009.6565085437. The cubic root of 1936849866 is about 1246.5182825322.

The spelling of 1936849866 in words is "one billion, nine hundred thirty-six million, eight hundred forty-nine thousand, eight hundred sixty-six".