100689238 has 16 divisors (see below), whose sum is σ = 162817200. Its totient is φ = 46424736.

The previous prime is 100689191. The next prime is 100689263. The reversal of 100689238 is 832986001.

It is a junction number, because it is equal to n+sod(n) for n = 100689197 and 100689206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49681 + ... + 51667.

It is an arithmetic number, because the mean of its divisors is an integer number (10176075).

Almost surely, 2^100689238 is an apocalyptic number.

100689238 is a deficient number, since it is larger than the sum of its proper divisors (62127962).

100689238 is a wasteful number, since it uses less digits than its factorization.

100689238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 100689238 is about 10034.4027226338. The cubic root of 100689238 is about 465.2228291875. Note that the first 3 decimals are identical.

It can be divided in two parts, 10068 and 9238, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 100689238 in words is "one hundred million, six hundred eighty-nine thousand, two hundred thirty-eight".