10100838 has 24 divisors (see below), whose sum is σ = 22206744. Its totient is φ = 3060640.

The previous prime is 10100813. The next prime is 10100869. The reversal of 10100838 is 83800101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6231 + ... + 7682.

It is an arithmetic number, because the mean of its divisors is an integer number (925281).

Almost surely, 2^10100838 is an apocalyptic number.

10100838 is an abundant number, since it is smaller than the sum of its proper divisors (12105906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10100838 is a wasteful number, since it uses less digits than its factorization.

10100838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13940 (or 13929 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 10100838 is about 3178.1815555440. The cubic root of 10100838 is about 216.1652113944.

Adding to 10100838 its reverse (83800101), we get a palindrome (93900939).

The spelling of 10100838 in words is "ten million, one hundred thousand, eight hundred thirty-eight".