100838470 has 16 divisors (see below), whose sum is σ = 181673280. Its totient is φ = 40298944.

The previous prime is 100838461. The next prime is 100838471. The reversal of 100838470 is 74838001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100838471) 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, 8979 + ... + 16801.

It is an arithmetic number, because the mean of its divisors is an integer number (11354580).

Almost surely, 2^100838470 is an apocalyptic number.

100838470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100838470 is a deficient number, since it is larger than the sum of its proper divisors (80834810).

100838470 is a wasteful number, since it uses less digits than its factorization.

100838470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 100838470 is about 10041.8359875075. The cubic root of 100838470 is about 465.4525520586.

The spelling of 100838470 in words is "one hundred million, eight hundred thirty-eight thousand, four hundred seventy".