3669919 has 16 divisors (see below), whose sum is σ = 4202496. Its totient is φ = 3175200.

The previous prime is 3669899. The next prime is 3669931. The reversal of 3669919 is 9199663.

It is a cyclic number.

It is not a de Polignac number, because 3669919 - 2¹¹ = 3667871 is a prime.

It is a super-2 number, since 2×3669919² = 26936610933122, 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 (3669959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28834 + ... + 28960.

It is an arithmetic number, because the mean of its divisors is an integer number (262656).

Almost surely, 2^3669919 is an apocalyptic number.

3669919 is a deficient number, since it is larger than the sum of its proper divisors (532577).

3669919 is a wasteful number, since it uses less digits than its factorization.

3669919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its digits is 78732, while the sum is 43.

The square root of 3669919 is about 1915.7032651222. The cubic root of 3669919 is about 154.2477459399.

The spelling of 3669919 in words is "three million, six hundred sixty-nine thousand, nine hundred nineteen".