3669426 has 12 divisors (see below), whose sum is σ = 7950462. Its totient is φ = 1223136.

The previous prime is 3669383. The next prime is 3669427. The reversal of 3669426 is 6249663.

It can be written as a sum of positive squares in only one way, i.e., 3629025 + 40401 = 1905^2 + 201^2 .

It is not an unprimeable number, because it can be changed into a prime (3669427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101911 + ... + 101946.

Almost surely, 2^3669426 is an apocalyptic number.

3669426 is an abundant number, since it is smaller than the sum of its proper divisors (4281036).

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

3669426 is a wasteful number, since it uses less digits than its factorization.

3669426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203865 (or 203862 counting only the distinct ones).

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

The square root of 3669426 is about 1915.5745874280. The cubic root of 3669426 is about 154.2408386536.

It can be divided in two parts, 3669 and 426, that added together give a triangular number (4095 = T₉₀).

The spelling of 3669426 in words is "three million, six hundred sixty-nine thousand, four hundred twenty-six".