3668769 has 12 divisors (see below), whose sum is σ = 5707156. Its totient is φ = 2257632.

The previous prime is 3668759. The next prime is 3668801. The reversal of 3668769 is 9678663.

It can be written as a sum of positive squares in 2 ways, for example, as 1595169 + 2073600 = 1263^2 + 1440^2 .

It is not a de Polignac number, because 3668769 - 2⁹ = 3668257 is a prime.

It is a super-2 number, since 2×3668769² = 26919731950722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3668759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15562 + ... + 15795.

Almost surely, 2^3668769 is an apocalyptic number.

3668769 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3668769 is a deficient number, since it is larger than the sum of its proper divisors (2038387).

3668769 is a wasteful number, since it uses less digits than its factorization.

3668769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31376 (or 31373 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 3668769 is about 1915.4030907357. The cubic root of 3668769 is about 154.2316326470.

The spelling of 3668769 in words is "three million, six hundred sixty-eight thousand, seven hundred sixty-nine".