1838542356 has 36 divisors (see below), whose sum is σ = 5311345312. Its totient is φ = 525297744.

The previous prime is 1838542339. The next prime is 1838542361. The reversal of 1838542356 is 6532458381.

1838542356 is a `hidden beast` number, since 183 + 85 + 42 + 356 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3647650 + ... + 3648153.

Almost surely, 2^1838542356 is an apocalyptic number.

It is an amenable number.

1838542356 is an abundant number, since it is smaller than the sum of its proper divisors (3472802956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1838542356 is a wasteful number, since it uses less digits than its factorization.

1838542356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7295820 (or 7295815 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 1838542356 is about 42878.2270622282. The cubic root of 1838542356 is about 1225.0614670809.

The spelling of 1838542356 in words is "one billion, eight hundred thirty-eight million, five hundred forty-two thousand, three hundred fifty-six".