103689857 has 8 divisors (see below), whose sum is σ = 105547680. Its totient is φ = 101844000.

The previous prime is 103689853. The next prime is 103689863. The reversal of 103689857 is 758986301.

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 not a de Polignac number, because 103689857 - 2² = 103689853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103689853) 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, 15494 + ... + 21152.

It is an arithmetic number, because the mean of its divisors is an integer number (13193460).

Almost surely, 2^103689857 is an apocalyptic number.

It is an amenable number.

103689857 is a deficient number, since it is larger than the sum of its proper divisors (1857823).

103689857 is an equidigital number, since it uses as much as digits as its factorization.

103689857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5983.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 103689857 is about 10182.8216619953. The cubic root of 103689857 is about 469.7990041422.

The spelling of 103689857 in words is "one hundred three million, six hundred eighty-nine thousand, eight hundred fifty-seven".