103840200 has 72 divisors (see below), whose sum is σ = 348736050. Its totient is φ = 27690240.

The previous prime is 103840181. The next prime is 103840201. The reversal of 103840200 is 2048301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 57790404 + 46049796 = 7602^2 + 6786^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103840201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27045 + ... + 30644.

Almost surely, 2^103840200 is an apocalyptic number.

103840200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103840200 is an abundant number, since it is smaller than the sum of its proper divisors (244895850).

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

103840200 is a wasteful number, since it uses less digits than its factorization.

103840200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57711 (or 57699 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 103840200 is about 10190.2011756393. The cubic root of 103840200 is about 470.0259529957.

Adding to 103840200 its reverse (2048301), we get a palindrome (105888501).

The spelling of 103840200 in words is "one hundred three million, eight hundred forty thousand, two hundred".