1838364147 has 32 divisors (see below), whose sum is σ = 2754385920. Its totient is φ = 1211760000.

The previous prime is 1838364119. The next prime is 1838364161. The reversal of 1838364147 is 7414638381.

It is not a de Polignac number, because 1838364147 - 2⁶ = 1838364083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1838364107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 981622 + ... + 983492.

It is an arithmetic number, because the mean of its divisors is an integer number (86074560).

Almost surely, 2^1838364147 is an apocalyptic number.

1838364147 is a deficient number, since it is larger than the sum of its proper divisors (916021773).

1838364147 is a wasteful number, since it uses less digits than its factorization.

1838364147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272 (or 2266 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1838364147 is about 42876.1489292124. The cubic root of 1838364147 is about 1225.0218842682.

The spelling of 1838364147 in words is "one billion, eight hundred thirty-eight million, three hundred sixty-four thousand, one hundred forty-seven".