2064641 has 4 divisors (see below), whose sum is σ = 2154432. Its totient is φ = 1974852.

The previous prime is 2064619. The next prime is 2064649. The reversal of 2064641 is 1464602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2064641 - 2¹⁰ = 2063617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 89767 = 2064641 / (2 + 0 + 6 + 4 + 6 + 4 + 1).

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 44861 + ... + 44906.

It is an arithmetic number, because the mean of its divisors is an integer number (538608).

2^2064641 is an apocalyptic number.

It is an amenable number.

2064641 is a deficient number, since it is larger than the sum of its proper divisors (89791).

2064641 is an equidigital number, since it uses as much as digits as its factorization.

2064641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89790.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2064641 is about 1436.8858688149. The cubic root of 2064641 is about 127.3351142964.

The spelling of 2064641 in words is "two million, sixty-four thousand, six hundred forty-one".