1838672 has 40 divisors (see below), whose sum is σ = 4023552. Its totient is φ = 806400.

The previous prime is 1838671. The next prime is 1838693. The reversal of 1838672 is 2768381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838671) 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, 5288 + ... + 5624.

2^1838672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1838672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2011776).

1838672 is an abundant number, since it is smaller than the sum of its proper divisors (2184880).

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

1838672 is a wasteful number, since it uses less digits than its factorization.

1838672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 381 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 1838672 is about 1355.9764009746. The cubic root of 1838672 is about 122.5090261293.

The spelling of 1838672 in words is "one million, eight hundred thirty-eight thousand, six hundred seventy-two".