100434679 has 4 divisors (see below), whose sum is σ = 100473480. Its totient is φ = 100395880.

The previous prime is 100434667. The next prime is 100434689. The reversal of 100434679 is 976434001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976434001 = 31 ⋅31497871.

It is a cyclic number.

It is not a de Polignac number, because 100434679 - 2¹⁵ = 100401911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100434619) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15217 + ... + 20794.

It is an arithmetic number, because the mean of its divisors is an integer number (25118370).

Almost surely, 2^100434679 is an apocalyptic number.

100434679 is a deficient number, since it is larger than the sum of its proper divisors (38801).

100434679 is an equidigital number, since it uses as much as digits as its factorization.

100434679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38800.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 100434679 is about 10021.7103829636. The cubic root of 100434679 is about 464.8304449842.

The spelling of 100434679 in words is "one hundred million, four hundred thirty-four thousand, six hundred seventy-nine".