100040006 has 16 divisors (see below), whose sum is σ = 164557008. Its totient is φ = 45235200.

The previous prime is 100039981. The next prime is 100040011. The reversal of 100040006 is 600040001.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7535 + ... + 16026.

It is an arithmetic number, because the mean of its divisors is an integer number (10284813).

Almost surely, 2^100040006 is an apocalyptic number.

100040006 is a deficient number, since it is larger than the sum of its proper divisors (64517002).

100040006 is a wasteful number, since it uses less digits than its factorization.

100040006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23767.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 100040006 is about 10002.0000999800. Note that the first 4 decimals coincide. The cubic root of 100040006 is about 464.2207722432.

Adding to 100040006 its reverse (600040001), we get a palindrome (700080007).

The spelling of 100040006 in words is "one hundred million, forty thousand, six".