103693426 has 4 divisors (see below), whose sum is σ = 155540142. Its totient is φ = 51846712.

The previous prime is 103693423. The next prime is 103693427. The reversal of 103693426 is 624396301.

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: 624396301 = 83 ⋅7522847.

It can be written as a sum of positive squares in only one way, i.e., 61638201 + 42055225 = 7851^2 + 6485^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103693391 and 103693400.

It is not an unprimeable number, because it can be changed into a prime (103693423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25923355 + ... + 25923358.

Almost surely, 2^103693426 is an apocalyptic number.

103693426 is a deficient number, since it is larger than the sum of its proper divisors (51846716).

103693426 is an equidigital number, since it uses as much as digits as its factorization.

103693426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51846715.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 103693426 is about 10182.9969066086. The cubic root of 103693426 is about 469.8043942336.

The spelling of 103693426 in words is "one hundred three million, six hundred ninety-three thousand, four hundred twenty-six".