2146005 has 24 divisors (see below), whose sum is σ = 3763968. Its totient is φ = 1130976.

The previous prime is 2146003. The next prime is 2146009. The reversal of 2146005 is 5006412.

It is a happy number.

It is not a de Polignac number, because 2146005 - 2¹ = 2146003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4404 + ... + 4866.

It is an arithmetic number, because the mean of its divisors is an integer number (156832).

2^2146005 is an apocalyptic number.

It is an amenable number.

2146005 is a deficient number, since it is larger than the sum of its proper divisors (1617963).

2146005 is a wasteful number, since it uses less digits than its factorization.

2146005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2146005 is about 1464.9249127515. The cubic root of 2146005 is about 128.9862974449.

The spelling of 2146005 in words is "two million, one hundred forty-six thousand, five".