3669913 has 8 divisors (see below), whose sum is σ = 3975048. Its totient is φ = 3368064.

The previous prime is 3669899. The next prime is 3669931. The reversal of 3669913 is 3199663.

It can be written as a sum of positive squares in 4 ways, for example, as 1517824 + 2152089 = 1232^2 + 1467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3669913 - 2⁵ = 3669881 is a prime.

It is a super-2 number, since 2×3669913² = 26936522855138, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845 + ... + 3277.

It is an arithmetic number, because the mean of its divisors is an integer number (496881).

Almost surely, 2^3669913 is an apocalyptic number.

It is an amenable number.

3669913 is a deficient number, since it is larger than the sum of its proper divisors (305135).

3669913 is a wasteful number, since it uses less digits than its factorization.

3669913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643.

The product of its digits is 26244, while the sum is 37.

The square root of 3669913 is about 1915.7016991171. The cubic root of 3669913 is about 154.2476618793.

The spelling of 3669913 in words is "three million, six hundred sixty-nine thousand, nine hundred thirteen".