1881748 has 12 divisors (see below), whose sum is σ = 3592512. Its totient is φ = 855320.

The previous prime is 1881697. The next prime is 1881749. The reversal of 1881748 is 8471881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21340 + ... + 21427.

It is an arithmetic number, because the mean of its divisors is an integer number (299376).

2^1881748 is an apocalyptic number.

It is an amenable number.

1881748 is a deficient number, since it is larger than the sum of its proper divisors (1710764).

1881748 is a wasteful number, since it uses less digits than its factorization.

1881748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42782 (or 42780 counting only the distinct ones).

The product of its digits is 14336, while the sum is 37.

The square root of 1881748 is about 1371.7682019933. The cubic root of 1881748 is about 123.4583554891.

It can be divided in two parts, 188 and 1748, that added together give a square (1936 = 44²).

The spelling of 1881748 in words is "one million, eight hundred eighty-one thousand, seven hundred forty-eight".