103690427 has 4 divisors (see below), whose sum is σ = 103712616. Its totient is φ = 103668240.

The previous prime is 103690397. The next prime is 103690451. The reversal of 103690427 is 724096301.

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

It is a cyclic number.

It is not a de Polignac number, because 103690427 - 2¹⁶ = 103624891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103690393 and 103690402.

It is not an unprimeable number, because it can be changed into a prime (103690487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058 + ... + 14439.

It is an arithmetic number, because the mean of its divisors is an integer number (25928154).

Almost surely, 2^103690427 is an apocalyptic number.

103690427 is a deficient number, since it is larger than the sum of its proper divisors (22189).

103690427 is an equidigital number, since it uses as much as digits as its factorization.

103690427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22188.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 103690427 is about 10182.8496502698. The cubic root of 103690427 is about 469.7998649945.

The spelling of 103690427 in words is "one hundred three million, six hundred ninety thousand, four hundred twenty-seven".