1085866424 has 16 divisors (see below), whose sum is σ = 2060530920. Its totient is φ = 536391520.

The previous prime is 1085866423. The next prime is 1085866433. The reversal of 1085866424 is 4246685801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085866423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817007 + ... + 818334.

Almost surely, 2^1085866424 is an apocalyptic number.

It is an amenable number.

1085866424 is a deficient number, since it is larger than the sum of its proper divisors (974664496).

1085866424 is a wasteful number, since it uses less digits than its factorization.

1085866424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635430 (or 1635426 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 1085866424 is about 32952.4873719724. The cubic root of 1085866424 is about 1027.8398893702.

The spelling of 1085866424 in words is "one billion, eighty-five million, eight hundred sixty-six thousand, four hundred twenty-four".