1836343648 has 12 divisors (see below), whose sum is σ = 3615301620. Its totient is φ = 918171808.

The previous prime is 1836343609. The next prime is 1836343651. The reversal of 1836343648 is 8463436381.

It is a junction number, because it is equal to n+sod(n) for n = 1836343598 and 1836343607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28692838 + ... + 28692901.

It is an arithmetic number, because the mean of its divisors is an integer number (301275135).

Almost surely, 2^1836343648 is an apocalyptic number.

It is an amenable number.

1836343648 is a deficient number, since it is larger than the sum of its proper divisors (1778957972).

1836343648 is an equidigital number, since it uses as much as digits as its factorization.

1836343648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57385749 (or 57385741 counting only the distinct ones).

The product of its digits is 995328, while the sum is 46.

The square root of 1836343648 is about 42852.5804123859. The cubic root of 1836343648 is about 1224.5729230103.

The spelling of 1836343648 in words is "one billion, eight hundred thirty-six million, three hundred forty-three thousand, six hundred forty-eight".