2140648 has 8 divisors (see below), whose sum is σ = 4013730. Its totient is φ = 1070320.

The previous prime is 2140637. The next prime is 2140681. The reversal of 2140648 is 8460412.

It can be written as a sum of positive squares in only one way, i.e., 2125764 + 14884 = 1458^2 + 122^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×2140648³ = 29427748315367333376, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133783 + ... + 133798.

2^2140648 is an apocalyptic number.

It is an amenable number.

2140648 is a deficient number, since it is larger than the sum of its proper divisors (1873082).

2140648 is a wasteful number, since it uses less digits than its factorization.

2140648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267587 (or 267583 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2140648 is about 1463.0953489093. The cubic root of 2140648 is about 128.8788799644.

The spelling of 2140648 in words is "two million, one hundred forty thousand, six hundred forty-eight".