3649266 has 16 divisors (see below), whose sum is σ = 8109600. Its totient is φ = 1216404.

The previous prime is 3649259. The next prime is 3649297. The reversal of 3649266 is 6629463.

3649266 is a `hidden beast` number, since 3 + 649 + 2 + 6 + 6 = 666.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁹ + 6 + 4⁹ + 9 + 2¹³ + 6⁸ + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 3649266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33736 + ... + 33843.

It is an arithmetic number, because the mean of its divisors is an integer number (506850).

Almost surely, 2^3649266 is an apocalyptic number.

3649266 is an abundant number, since it is smaller than the sum of its proper divisors (4460334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3649266 is a wasteful number, since it uses less digits than its factorization.

3649266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67590 (or 67584 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 3649266 is about 1910.3052112163. The cubic root of 3649266 is about 153.9578509489.

The spelling of 3649266 in words is "three million, six hundred forty-nine thousand, two hundred sixty-six".