1838108942 has 4 divisors (see below), whose sum is σ = 2757163416. Its totient is φ = 919054470.

The previous prime is 1838108941. The next prime is 1838108959. The reversal of 1838108942 is 2498018381.

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

It is a junction number, because it is equal to n+sod(n) for n = 1838108893 and 1838108902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838108941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459527234 + ... + 459527237.

It is an arithmetic number, because the mean of its divisors is an integer number (689290854).

Almost surely, 2^1838108942 is an apocalyptic number.

1838108942 is a deficient number, since it is larger than the sum of its proper divisors (919054474).

1838108942 is an equidigital number, since it uses as much as digits as its factorization.

1838108942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919054473.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 1838108942 is about 42873.1727540661. The cubic root of 1838108942 is about 1224.9651950683.

The spelling of 1838108942 in words is "one billion, eight hundred thirty-eight million, one hundred eight thousand, nine hundred forty-two".