2036641 has 4 divisors (see below), whose sum is σ = 2106900. Its totient is φ = 1966384.

The previous prime is 2036623. The next prime is 2036663. The reversal of 2036641 is 1466302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1745041 + 291600 = 1321^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2036641 - 2⁷ = 2036513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2036611) 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 3 ways as a sum of consecutive naturals, for example, 35086 + ... + 35143.

It is an arithmetic number, because the mean of its divisors is an integer number (526725).

2^2036641 is an apocalyptic number.

It is an amenable number.

2036641 is a deficient number, since it is larger than the sum of its proper divisors (70259).

2036641 is an equidigital number, since it uses as much as digits as its factorization.

2036641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70258.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2036641 is about 1427.1093160652. The cubic root of 2036641 is about 126.7568663473.

The spelling of 2036641 in words is "two million, thirty-six thousand, six hundred forty-one".