103863720 has 64 divisors (see below), whose sum is σ = 314838720. Its totient is φ = 27408384.

The previous prime is 103863691. The next prime is 103863751. The reversal of 103863720 is 27368301.

It is a super-3 number, since 3×103863720³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7179 + ... + 16101.

It is an arithmetic number, because the mean of its divisors is an integer number (4919355).

Almost surely, 2^103863720 is an apocalyptic number.

103863720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103863720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157419360).

103863720 is an abundant number, since it is smaller than the sum of its proper divisors (210975000).

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

103863720 is a wasteful number, since it uses less digits than its factorization.

103863720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9034 (or 9030 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 103863720 is about 10191.3551601345. The cubic root of 103863720 is about 470.0614375700.

The spelling of 103863720 in words is "one hundred three million, eight hundred sixty-three thousand, seven hundred twenty".