1838732028 has 48 divisors (see below), whose sum is σ = 4983681024. Its totient is φ = 516738240.

The previous prime is 1838732017. The next prime is 1838732029. The reversal of 1838732028 is 8202378381.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838732029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174300 + ... + 184547.

It is an arithmetic number, because the mean of its divisors is an integer number (103826688).

Almost surely, 2^1838732028 is an apocalyptic number.

It is an amenable number.

1838732028 is an abundant number, since it is smaller than the sum of its proper divisors (3144948996).

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

1838732028 is a wasteful number, since it uses less digits than its factorization.

1838732028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358922 (or 358920 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1838732028 is about 42880.4387570836. The cubic root of 1838732028 is about 1225.1035931829.

It can be divided in two parts, 1838 and 732028, that added together give a triangular number (733866 = T₁₂₁₁).

The spelling of 1838732028 in words is "one billion, eight hundred thirty-eight million, seven hundred thirty-two thousand, twenty-eight".