2141656 has 16 divisors (see below), whose sum is σ = 4380840. Its totient is φ = 973440.

The previous prime is 2141653. The next prime is 2141669. The reversal of 2141656 is 6561412.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2141656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141653) 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, 12081 + ... + 12256.

2^2141656 is an apocalyptic number.

It is an amenable number.

2141656 is an abundant number, since it is smaller than the sum of its proper divisors (2239184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141656 is a wasteful number, since it uses less digits than its factorization.

2141656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24354 (or 24350 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 2141656 is about 1463.4397835237. The cubic root of 2141656 is about 128.8991058532.

The spelling of 2141656 in words is "two million, one hundred forty-one thousand, six hundred fifty-six".