1888842 has 8 divisors (see below), whose sum is σ = 3777696. Its totient is φ = 629612.

The previous prime is 1888841. The next prime is 1888849. The reversal of 1888842 is 2488881.

It is a sphenic number, since it is the product of 3 distinct primes.

1888842 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1888842.

It is not an unprimeable number, because it can be changed into a prime (1888841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157398 + ... + 157409.

It is an arithmetic number, because the mean of its divisors is an integer number (472212).

2^1888842 is an apocalyptic number.

1888842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1888842 is a wasteful number, since it uses less digits than its factorization.

1888842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314812.

The product of its digits is 32768, while the sum is 39.

The square root of 1888842 is about 1374.3514834277. The cubic root of 1888842 is about 123.6133027858.

Adding to 1888842 its sum of digits (39), we get a palindrome (1888881).

The spelling of 1888842 in words is "one million, eight hundred eighty-eight thousand, eight hundred forty-two".