2040657 has 8 divisors (see below), whose sum is σ = 2864160. Its totient is φ = 1288800.

The previous prime is 2040653. The next prime is 2040679. The reversal of 2040657 is 7560402.

It is a happy number.

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

It is not a de Polignac number, because 2040657 - 2² = 2040653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17844 + ... + 17957.

It is an arithmetic number, because the mean of its divisors is an integer number (358020).

2^2040657 is an apocalyptic number.

It is an amenable number.

2040657 is a deficient number, since it is larger than the sum of its proper divisors (823503).

2040657 is a wasteful number, since it uses less digits than its factorization.

2040657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35823.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2040657 is about 1428.5156631973. The cubic root of 2040657 is about 126.8401278456.

The spelling of 2040657 in words is "two million, forty thousand, six hundred fifty-seven".