100436612 has 24 divisors (see below), whose sum is σ = 188661816. Its totient is φ = 46614528.

The previous prime is 100436587. The next prime is 100436617. The reversal of 100436612 is 216634001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30647296 + 69789316 = 5536^2 + 8354^2 .

It is not an unprimeable number, because it can be changed into a prime (100436617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5153 + ... + 15080.

It is an arithmetic number, because the mean of its divisors is an integer number (7860909).

Almost surely, 2^100436612 is an apocalyptic number.

It is an amenable number.

100436612 is a deficient number, since it is larger than the sum of its proper divisors (88225204).

100436612 is a wasteful number, since it uses less digits than its factorization.

100436612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20327 (or 20325 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 100436612 is about 10021.8068231233. The cubic root of 100436612 is about 464.8334270601.

The spelling of 100436612 in words is "one hundred million, four hundred thirty-six thousand, six hundred twelve".