100803840 has 72 divisors (see below), whose sum is σ = 321954528. Its totient is φ = 26880000.

The previous prime is 100803839. The next prime is 100803851. The reversal of 100803840 is 48308001.

It is a super-2 number, since 2×100803840² = 20322828317491200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 100803840.

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, 9286 + ... + 16965.

Almost surely, 2^100803840 is an apocalyptic number.

100803840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100803840 is an abundant number, since it is smaller than the sum of its proper divisors (221150688).

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

100803840 is an equidigital number, since it uses as much as digits as its factorization.

100803840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26275 (or 26261 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 100803840 is about 10040.1115531651. Note that the first 3 decimals coincide. The cubic root of 100803840 is about 465.3992639719.

The spelling of 100803840 in words is "one hundred million, eight hundred three thousand, eight hundred forty".