1000091836 has 12 divisors (see below), whose sum is σ = 1750406728. Its totient is φ = 499975632.

The previous prime is 1000091801. The next prime is 1000091863. The reversal of 1000091836 is 6381900001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27010 + ... + 52246.

Almost surely, 2^1000091836 is an apocalyptic number.

It is an amenable number.

1000091836 is a deficient number, since it is larger than the sum of its proper divisors (750314892).

1000091836 is a wasteful number, since it uses less digits than its factorization.

1000091836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35148 (or 35146 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1000091836 is about 31624.2286230036. The cubic root of 1000091836 is about 1000.0306110630.

Adding to 1000091836 its reverse (6381900001), we get a palindrome (7381991837).

The spelling of 1000091836 in words is "one billion, ninety-one thousand, eight hundred thirty-six".