100434687 has 16 divisors (see below), whose sum is σ = 138602112. Its totient is φ = 64640160.

The previous prime is 100434667. The next prime is 100434689. The reversal of 100434687 is 786434001.

It is not a de Polignac number, because 100434687 - 2⁷ = 100434559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100434689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11088 + ... + 17994.

It is an arithmetic number, because the mean of its divisors is an integer number (8662632).

Almost surely, 2^100434687 is an apocalyptic number.

100434687 is a deficient number, since it is larger than the sum of its proper divisors (38167425).

100434687 is a wasteful number, since it uses less digits than its factorization.

100434687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 100434687 is about 10021.7107820970. The cubic root of 100434687 is about 464.8304573261.

Adding to 100434687 its reverse (786434001), we get a palindrome (886868688).

The spelling of 100434687 in words is "one hundred million, four hundred thirty-four thousand, six hundred eighty-seven".