100034438 has 16 divisors (see below), whose sum is σ = 171626784. Its totient is φ = 42837120.

The previous prime is 100034437. The next prime is 100034507. The reversal of 100034438 is 834430001.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100034437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22868 + ... + 26888.

It is an arithmetic number, because the mean of its divisors is an integer number (10726674).

Almost surely, 2^100034438 is an apocalyptic number.

100034438 is a deficient number, since it is larger than the sum of its proper divisors (71592346).

100034438 is a wasteful number, since it uses less digits than its factorization.

100034438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 100034438 is about 10001.7217517785. The cubic root of 100034438 is about 464.2121595914.

Adding to 100034438 its reverse (834430001), we get a palindrome (934464439).

It can be divided in two parts, 10003 and 4438, that added together give a palindrome (14441).

The spelling of 100034438 in words is "one hundred million, thirty-four thousand, four hundred thirty-eight".