100436804 has 12 divisors (see below), whose sum is σ = 189284844. Its totient is φ = 46355424.

The previous prime is 100436801. The next prime is 100436827. The reversal of 100436804 is 408634001.

It can be written as a sum of positive squares in 2 ways, for example, as 46267204 + 54169600 = 6802^2 + 7360^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (100436801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965687 + ... + 965790.

It is an arithmetic number, because the mean of its divisors is an integer number (15773737).

Almost surely, 2^100436804 is an apocalyptic number.

It is an amenable number.

100436804 is a deficient number, since it is larger than the sum of its proper divisors (88848040).

100436804 is a wasteful number, since it uses less digits than its factorization.

100436804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931494 (or 1931492 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 100436804 is about 10021.8164022297. The cubic root of 100436804 is about 464.8337232600.

The spelling of 100436804 in words is "one hundred million, four hundred thirty-six thousand, eight hundred four".