100343828 has 24 divisors (see below), whose sum is σ = 195633480. Its totient is φ = 44714880.

The previous prime is 100343827. The next prime is 100343833. The reversal of 100343828 is 828343001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17205904 + 83137924 = 4148^2 + 9118^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 100343828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100343821) 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, 31763 + ... + 34778.

It is an arithmetic number, because the mean of its divisors is an integer number (8151395).

Almost surely, 2^100343828 is an apocalyptic number.

It is an amenable number.

100343828 is a deficient number, since it is larger than the sum of its proper divisors (95289652).

100343828 is a wasteful number, since it uses less digits than its factorization.

100343828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66587 (or 66585 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 100343828 is about 10017.1766481379. The cubic root of 100343828 is about 464.6902442385.

Adding to 100343828 its reverse (828343001), we get a palindrome (928686829).

The spelling of 100343828 in words is "one hundred million, three hundred forty-three thousand, eight hundred twenty-eight".