1838974485 has 16 divisors (see below), whose sum is σ = 2942948736. Its totient is φ = 980589888.

The previous prime is 1838974471. The next prime is 1838974537. The reversal of 1838974485 is 5844798381.

It is not a de Polignac number, because 1838974485 - 2⁹ = 1838973973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95707 + ... + 113303.

It is an arithmetic number, because the mean of its divisors is an integer number (183934296).

Almost surely, 2^1838974485 is an apocalyptic number.

1838974485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1838974485 is a deficient number, since it is larger than the sum of its proper divisors (1103974251).

1838974485 is a wasteful number, since it uses less digits than its factorization.

1838974485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24572.

The product of its digits is 7741440, while the sum is 57.

The square root of 1838974485 is about 42883.2657921479. The cubic root of 1838974485 is about 1225.1574386015.

The spelling of 1838974485 in words is "one billion, eight hundred thirty-eight million, nine hundred seventy-four thousand, four hundred eighty-five".