1851346852 has 24 divisors (see below), whose sum is σ = 3610988640. Its totient is φ = 825367680.

The previous prime is 1851346829. The next prime is 1851346853. The reversal of 1851346852 is 2586431581.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1851346799 and 1851346808.

It is not an unprimeable number, because it can be changed into a prime (1851346853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715174 + ... + 717757.

It is an arithmetic number, because the mean of its divisors is an integer number (150457860).

Almost surely, 2^1851346852 is an apocalyptic number.

It is an amenable number.

1851346852 is a deficient number, since it is larger than the sum of its proper divisors (1759641788).

1851346852 is a wasteful number, since it uses less digits than its factorization.

1851346852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432971 (or 1432969 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 1851346852 is about 43027.2803230695. The cubic root of 1851346852 is about 1227.8988632768.

The spelling of 1851346852 in words is "one billion, eight hundred fifty-one million, three hundred forty-six thousand, eight hundred fifty-two".