1838340235 has 4 divisors (see below), whose sum is σ = 2206008288. Its totient is φ = 1470672184.

The previous prime is 1838340223. The next prime is 1838340241. The reversal of 1838340235 is 5320438381.

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 1838340235 - 2⁷ = 1838340107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1838340194 and 1838340203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183834019 + ... + 183834028.

It is an arithmetic number, because the mean of its divisors is an integer number (551502072).

Almost surely, 2^1838340235 is an apocalyptic number.

1838340235 is a deficient number, since it is larger than the sum of its proper divisors (367668053).

1838340235 is an equidigital number, since it uses as much as digits as its factorization.

1838340235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367668052.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1838340235 is about 42875.8700786351. The cubic root of 1838340235 is about 1225.0165728703.

The spelling of 1838340235 in words is "one billion, eight hundred thirty-eight million, three hundred forty thousand, two hundred thirty-five".