1824138 has 12 divisors (see below), whose sum is σ = 3952338. Its totient is φ = 608040.

The previous prime is 1824113. The next prime is 1824139. The reversal of 1824138 is 8314281.

It can be written as a sum of positive squares in only one way, i.e., 1172889 + 651249 = 1083^2 + 807^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1824139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50653 + ... + 50688.

2^1824138 is an apocalyptic number.

1824138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1824138 is an abundant number, since it is smaller than the sum of its proper divisors (2128200).

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

1824138 is a wasteful number, since it uses less digits than its factorization.

1824138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101349 (or 101346 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 1824138 is about 1350.6065304151. The cubic root of 1824138 is about 122.1853761598.

The spelling of 1824138 in words is "one million, eight hundred twenty-four thousand, one hundred thirty-eight".