1838480293 has 8 divisors (see below), whose sum is σ = 1982548736. Its totient is φ = 1694790000.

The previous prime is 1838480279. The next prime is 1838480359. The reversal of 1838480293 is 3920848381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1838480293 - 2¹³ = 1838472101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838480233) 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 7 ways as a sum of consecutive naturals, for example, 84393 + ... + 103918.

It is an arithmetic number, because the mean of its divisors is an integer number (247818592).

Almost surely, 2^1838480293 is an apocalyptic number.

1838480293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1838480293 is a deficient number, since it is larger than the sum of its proper divisors (144068443).

1838480293 is a wasteful number, since it uses less digits than its factorization.

1838480293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189075.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 1838480293 is about 42877.5033438282. The cubic root of 1838480293 is about 1225.0476822756.

The spelling of 1838480293 in words is "one billion, eight hundred thirty-eight million, four hundred eighty thousand, two hundred ninety-three".