2064657 has 8 divisors (see below), whose sum is σ = 3146176. Its totient is φ = 1179792.

The previous prime is 2064653. The next prime is 2064679. The reversal of 2064657 is 7564602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2064657 - 2² = 2064653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2064653) 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, 49138 + ... + 49179.

It is an arithmetic number, because the mean of its divisors is an integer number (393272).

2^2064657 is an apocalyptic number.

It is an amenable number.

2064657 is a deficient number, since it is larger than the sum of its proper divisors (1081519).

2064657 is an equidigital number, since it uses as much as digits as its factorization.

2064657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98327.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2064657 is about 1436.8914364001. The cubic root of 2064657 is about 127.3354432247.

Subtracting 2064657 from its reverse (7564602), we obtain a palindrome (5499945).

The spelling of 2064657 in words is "two million, sixty-four thousand, six hundred fifty-seven".