100003456 has 32 divisors (see below), whose sum is σ = 227688480. Its totient is φ = 42858240.

The previous prime is 100003447. The next prime is 100003481. The reversal of 100003456 is 654300001.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54910 + ... + 56701.

It is an arithmetic number, because the mean of its divisors is an integer number (7115265).

Almost surely, 2^100003456 is an apocalyptic number.

100003456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100003456 is an abundant number, since it is smaller than the sum of its proper divisors (127685024).

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

100003456 is an equidigital number, since it uses as much as digits as its factorization.

100003456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111632 (or 111620 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 100003456 is about 10000.1727985070. The cubic root of 100003456 is about 464.1642304100.

Adding to 100003456 its reverse (654300001), we get a palindrome (754303457).

It can be divided in two parts, 10000 and 3456, that added together give a square (13456 = 116²).

The spelling of 100003456 in words is "one hundred million, three thousand, four hundred fifty-six".