1838704153 has 16 divisors (see below), whose sum is σ = 2163623616. Its totient is φ = 1540491840.

The previous prime is 1838704129. The next prime is 1838704171. The reversal of 1838704153 is 3514078381.

It is a cyclic number.

It is not a de Polignac number, because 1838704153 - 2²¹ = 1836607001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1838704753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81951 + ... + 101947.

It is an arithmetic number, because the mean of its divisors is an integer number (135226476).

Almost surely, 2^1838704153 is an apocalyptic number.

1838704153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1838704153 is a deficient number, since it is larger than the sum of its proper divisors (324919463).

1838704153 is a wasteful number, since it uses less digits than its factorization.

1838704153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20664.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1838704153 is about 42880.1137241962. The cubic root of 1838704153 is about 1225.0974023343.

The spelling of 1838704153 in words is "one billion, eight hundred thirty-eight million, seven hundred four thousand, one hundred fifty-three".