1837242 has 40 divisors (see below), whose sum is σ = 4495392. Its totient is φ = 556200.

The previous prime is 1837223. The next prime is 1837249. The reversal of 1837242 is 2427381.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1837249) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1267 + ... + 2297.

2^1837242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1837242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2247696).

1837242 is an abundant number, since it is smaller than the sum of its proper divisors (2658150).

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

1837242 is a wasteful number, since it uses less digits than its factorization.

1837242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1047 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1837242 is about 1355.4490030982. The cubic root of 1837242 is about 122.4772580301.

The spelling of 1837242 in words is "one million, eight hundred thirty-seven thousand, two hundred forty-two".