2063669 has 4 divisors (see below), whose sum is σ = 2134860. Its totient is φ = 1992480.

The previous prime is 2063651. The next prime is 2063671. The reversal of 2063669 is 9663602.

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 1276900 + 786769 = 1130^2 + 887^2 .

It is a cyclic number.

It is not a de Polignac number, because 2063669 - 2¹² = 2059573 is a prime.

It is a super-2 number, since 2×2063669² = 8517459483122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065669) 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, 35552 + ... + 35609.

It is an arithmetic number, because the mean of its divisors is an integer number (533715).

2^2063669 is an apocalyptic number.

2063669 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2063669 is a deficient number, since it is larger than the sum of its proper divisors (71191).

2063669 is an equidigital number, since it uses as much as digits as its factorization.

2063669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71190.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 2063669 is about 1436.5475975407. The cubic root of 2063669 is about 127.3151287139.

The spelling of 2063669 in words is "two million, sixty-three thousand, six hundred sixty-nine".