103684987 has 8 divisors (see below), whose sum is σ = 122319872. Its totient is φ = 86005800.

The previous prime is 103684963. The next prime is 103685027. The reversal of 103684987 is 789486301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103684987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103684937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238689 + ... + 239122.

It is an arithmetic number, because the mean of its divisors is an integer number (15289984).

Almost surely, 2^103684987 is an apocalyptic number.

103684987 is a deficient number, since it is larger than the sum of its proper divisors (18634885).

103684987 is an equidigital number, since it uses as much as digits as its factorization.

103684987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477849.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 103684987 is about 10182.5825309692. The cubic root of 103684987 is about 469.7916490128.

The spelling of 103684987 in words is "one hundred three million, six hundred eighty-four thousand, nine hundred eighty-seven".