2143948 has 12 divisors (see below), whose sum is σ = 3764880. Its totient is φ = 1068272.

The previous prime is 2143943. The next prime is 2143957. The reversal of 2143948 is 8493412.

It is not an unprimeable number, because it can be changed into a prime (2143943) 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, 690 + ... + 2182.

It is an arithmetic number, because the mean of its divisors is an integer number (313740).

2^2143948 is an apocalyptic number.

It is an amenable number.

2143948 is a deficient number, since it is larger than the sum of its proper divisors (1620932).

2143948 is a wasteful number, since it uses less digits than its factorization.

2143948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1854 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 2143948 is about 1464.2226606633. Note that the first 3 decimals coincide. The cubic root of 2143948 is about 128.9450720621.

The spelling of 2143948 in words is "two million, one hundred forty-three thousand, nine hundred forty-eight".