1838834436 has 48 divisors (see below), whose sum is σ = 4558559040. Its totient is φ = 575809920.

The previous prime is 1838834411. The next prime is 1838834441. The reversal of 1838834436 is 6344388381.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58530 + ... + 84281.

It is an arithmetic number, because the mean of its divisors is an integer number (94969980).

Almost surely, 2^1838834436 is an apocalyptic number.

It is an amenable number.

1838834436 is an abundant number, since it is smaller than the sum of its proper divisors (2719724604).

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

1838834436 is a wasteful number, since it uses less digits than its factorization.

1838834436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142884 (or 142882 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 1838834436 is about 42881.6328513736. The cubic root of 1838834436 is about 1225.1263367689.

The spelling of 1838834436 in words is "one billion, eight hundred thirty-eight million, eight hundred thirty-four thousand, four hundred thirty-six".