1888849 has 2 divisors, whose sum is σ = 1888850. Its totient is φ = 1888848.

The previous prime is 1888841. The next prime is 1888879. The reversal of 1888849 is 9488881.

1888849 is nontrivially palindromic in base 6.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1140624 + 748225 = 1068^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1888849 - 2³ = 1888841 is a prime.

It is a Chen prime.

1888849 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1888799 and 1888808.

It is not a weakly prime, because it can be changed into another prime (1888841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944424 + 944425.

It is an arithmetic number, because the mean of its divisors is an integer number (944425).

2^1888849 is an apocalyptic number.

It is an amenable number.

1888849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1888849 is an equidigital number, since it uses as much as digits as its factorization.

1888849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 46.

The square root of 1888849 is about 1374.3540300810. The cubic root of 1888849 is about 123.6134554882.

The spelling of 1888849 in words is "one million, eight hundred eighty-eight thousand, eight hundred forty-nine".