103887506 has 4 divisors (see below), whose sum is σ = 155831262. Its totient is φ = 51943752.

The previous prime is 103887503. The next prime is 103887523. The reversal of 103887506 is 605788301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101828281 + 2059225 = 10091^2 + 1435^2 .

It is a super-2 number, since 2×103887506² = 21585227805800072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103887506.

It is not an unprimeable number, because it can be changed into a prime (103887503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25971875 + ... + 25971878.

Almost surely, 2^103887506 is an apocalyptic number.

103887506 is a deficient number, since it is larger than the sum of its proper divisors (51943756).

103887506 is an equidigital number, since it uses as much as digits as its factorization.

103887506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51943755.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 103887506 is about 10192.5220627674. The cubic root of 103887506 is about 470.0973180100.

The spelling of 103887506 in words is "one hundred three million, eight hundred eighty-seven thousand, five hundred six".