1838530764 has 192 divisors, whose sum is σ = 5741568000. Its totient is φ = 508032000.

The previous prime is 1838530751. The next prime is 1838530781. The reversal of 1838530764 is 4670358381.

1838530764 is a `hidden beast` number, since 18 + 38 + 530 + 76 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1147564 + ... + 1149164.

It is an arithmetic number, because the mean of its divisors is an integer number (29904000).

Almost surely, 2^1838530764 is an apocalyptic number.

1838530764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1838530764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2870784000).

1838530764 is an abundant number, since it is smaller than the sum of its proper divisors (3903037236).

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

1838530764 is a wasteful number, since it uses less digits than its factorization.

1838530764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 1838530764 is about 42878.0918885157. The cubic root of 1838530764 is about 1225.0588924068.

The spelling of 1838530764 in words is "one billion, eight hundred thirty-eight million, five hundred thirty thousand, seven hundred sixty-four".