1838386852 has 6 divisors (see below), whose sum is σ = 3217176998. Its totient is φ = 919193424.

The previous prime is 1838386807. The next prime is 1838386871. The reversal of 1838386852 is 2586838381.

It can be written as a sum of positive squares in only one way, i.e., 1375964836 + 462422016 = 37094^2 + 21504^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1838386852.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229798353 + ... + 229798360.

Almost surely, 2^1838386852 is an apocalyptic number.

It is an amenable number.

1838386852 is a deficient number, since it is larger than the sum of its proper divisors (1378790146).

1838386852 is a wasteful number, since it uses less digits than its factorization.

1838386852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459596717 (or 459596715 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 52.

The square root of 1838386852 is about 42876.4137026408. The cubic root of 1838386852 is about 1225.0269275214.

The spelling of 1838386852 in words is "one billion, eight hundred thirty-eight million, three hundred eighty-six thousand, eight hundred fifty-two".