100840246 has 16 divisors (see below), whose sum is σ = 166685904. Its totient is φ = 45458784.

The previous prime is 100840237. The next prime is 100840247. The reversal of 100840246 is 642048001.

It is a self number, because there is not a number n which added to its sum of digits gives 100840246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100840247) 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, 43981 + ... + 46216.

It is an arithmetic number, because the mean of its divisors is an integer number (10417869).

Almost surely, 2^100840246 is an apocalyptic number.

100840246 is a deficient number, since it is larger than the sum of its proper divisors (65845658).

100840246 is a wasteful number, since it uses less digits than its factorization.

100840246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90255.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 100840246 is about 10041.9244171623. The cubic root of 100840246 is about 465.4552846099.

Adding to 100840246 its reverse (642048001), we get a palindrome (742888247).

The spelling of 100840246 in words is "one hundred million, eight hundred forty thousand, two hundred forty-six".