1853846138 has 16 divisors (see below), whose sum is σ = 2905022016. Its totient is φ = 885598560.

The previous prime is 1853846129. The next prime is 1853846147. The reversal of 1853846138 is 8316483581.

It is an interprime number because it is at equal distance from previous prime (1853846129) and next prime (1853846147).

It is a junction number, because it is equal to n+sod(n) for n = 1853846092 and 1853846101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17798 + ... + 63438.

It is an arithmetic number, because the mean of its divisors is an integer number (181563876).

Almost surely, 2^1853846138 is an apocalyptic number.

1853846138 is a deficient number, since it is larger than the sum of its proper divisors (1051175878).

1853846138 is a wasteful number, since it uses less digits than its factorization.

1853846138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46549.

The product of its digits is 552960, while the sum is 47.

The square root of 1853846138 is about 43056.3135672342. The cubic root of 1853846138 is about 1228.4511621785.

The spelling of 1853846138 in words is "one billion, eight hundred fifty-three million, eight hundred forty-six thousand, one hundred thirty-eight".