2064642 has 16 divisors (see below), whose sum is σ = 4171392. Its totient is φ = 681200.

The previous prime is 2064619. The next prime is 2064649. The reversal of 2064642 is 2464602.

It is not an unprimeable number, because it can be changed into a prime (2064649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (260712).

2^2064642 is an apocalyptic number.

2064642 is an abundant number, since it is smaller than the sum of its proper divisors (2106750).

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

2064642 is a wasteful number, since it uses less digits than its factorization.

2064642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2064642 is about 1436.8862167896. The cubic root of 2064642 is about 127.3351348545.

The spelling of 2064642 in words is "two million, sixty-four thousand, six hundred forty-two".