1838892768 has 48 divisors (see below), whose sum is σ = 4847351040. Its totient is φ = 610391936.

The previous prime is 1838892767. The next prime is 1838892773. The reversal of 1838892768 is 8672988381.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1838892768² = 6763053224405403648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838892761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17130 + ... + 63017.

It is an arithmetic number, because the mean of its divisors is an integer number (100986480).

Almost surely, 2^1838892768 is an apocalyptic number.

It is an amenable number.

1838892768 is an abundant number, since it is smaller than the sum of its proper divisors (3008458272).

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

1838892768 is a wasteful number, since it uses less digits than its factorization.

1838892768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80399 (or 80391 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 60.

The square root of 1838892768 is about 42882.3129973186. The cubic root of 1838892768 is about 1225.1392912275.

It can be divided in two parts, 18388 and 92768, that added together give a triangular number (111156 = T₄₇₁).

The spelling of 1838892768 in words is "one billion, eight hundred thirty-eight million, eight hundred ninety-two thousand, seven hundred sixty-eight".