103086638 has 4 divisors (see below), whose sum is σ = 154629960. Its totient is φ = 51543318.

The previous prime is 103086617. The next prime is 103086661. The reversal of 103086638 is 836680301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 836680301 = 307 ⋅2725343.

It is a junction number, because it is equal to n+sod(n) for n = 103086598 and 103086607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25771658 + ... + 25771661.

It is an arithmetic number, because the mean of its divisors is an integer number (38657490).

Almost surely, 2^103086638 is an apocalyptic number.

103086638 is a deficient number, since it is larger than the sum of its proper divisors (51543322).

103086638 is an equidigital number, since it uses as much as digits as its factorization.

103086638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51543321.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 103086638 is about 10153.1590157940. The cubic root of 103086638 is about 468.8862082867.

The spelling of 103086638 in words is "one hundred three million, eighty-six thousand, six hundred thirty-eight".