1838328273 has 24 divisors (see below), whose sum is σ = 2683778240. Its totient is φ = 1212472800.

The previous prime is 1838328263. The next prime is 1838328287. The reversal of 1838328273 is 3728238381.

It is not a de Polignac number, because 1838328273 - 2⁴ = 1838328257 is a prime.

It is a super-2 number, since 2×1838328273² = 6758901678622325058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1838328253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1030140 + ... + 1031922.

Almost surely, 2^1838328273 is an apocalyptic number.

It is an amenable number.

1838328273 is a deficient number, since it is larger than the sum of its proper divisors (845449967).

1838328273 is a wasteful number, since it uses less digits than its factorization.

1838328273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949 (or 2946 counting only the distinct ones).

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

The square root of 1838328273 is about 42875.7305826968. The cubic root of 1838328273 is about 1225.0139158214.

It can be divided in two parts, 18383 and 28273, that added together give a 6-th power (46656 = 6⁶).

The spelling of 1838328273 in words is "one billion, eight hundred thirty-eight million, three hundred twenty-eight thousand, two hundred seventy-three".