2143748 has 6 divisors (see below), whose sum is σ = 3751566. Its totient is φ = 1071872.

The previous prime is 2143741. The next prime is 2143753. The reversal of 2143748 is 8473412.

It can be written as a sum of positive squares in only one way, i.e., 1827904 + 315844 = 1352^2 + 562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2143748.

It is not an unprimeable number, because it can be changed into a prime (2143741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267965 + ... + 267972.

It is an arithmetic number, because the mean of its divisors is an integer number (625261).

2^2143748 is an apocalyptic number.

It is an amenable number.

2143748 is a deficient number, since it is larger than the sum of its proper divisors (1607818).

2143748 is a wasteful number, since it uses less digits than its factorization.

2143748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535941 (or 535939 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 2143748 is about 1464.1543634467. The cubic root of 2143748 is about 128.9410623541.

It can be divided in two parts, 2 and 143748, that multiplied together give a cube (287496 = 66³).

The spelling of 2143748 in words is "two million, one hundred forty-three thousand, seven hundred forty-eight".