100340340 has 24 divisors (see below), whose sum is σ = 280953120. Its totient is φ = 26757408.

The previous prime is 100340321. The next prime is 100340351. The reversal of 100340340 is 43043001.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 836110 + ... + 836229.

It is an arithmetic number, because the mean of its divisors is an integer number (11706380).

Almost surely, 2^100340340 is an apocalyptic number.

100340340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100340340 is an abundant number, since it is smaller than the sum of its proper divisors (180612780).

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

100340340 is a wasteful number, since it uses less digits than its factorization.

100340340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672351 (or 1672349 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 100340340 is about 10017.0025456720. The cubic root of 100340340 is about 464.6848598902.

Adding to 100340340 its reverse (43043001), we get a palindrome (143383341).

The spelling of 100340340 in words is "one hundred million, three hundred forty thousand, three hundred forty".