3667969 has 4 divisors (see below), whose sum is σ = 3861040. Its totient is φ = 3474900.

The previous prime is 3667967. The next prime is 3667973. The reversal of 3667969 is 9697663.

3667969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3667969 - 2¹ = 3667967 is a prime.

It is a super-2 number, since 2×3667969² = 26907993169922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3667967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96507 + ... + 96544.

It is an arithmetic number, because the mean of its divisors is an integer number (965260).

It is a Proth number, since it is equal to 1791 ⋅ 2¹¹ + 1 and 1791 < 2¹¹.

Almost surely, 2^3667969 is an apocalyptic number.

It is an amenable number.

3667969 is a deficient number, since it is larger than the sum of its proper divisors (193071).

3667969 is a wasteful number, since it uses less digits than its factorization.

3667969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193070.

The product of its digits is 367416, while the sum is 46.

The square root of 3667969 is about 1915.1942460231. The cubic root of 3667969 is about 154.2204214137.

The spelling of 3667969 in words is "three million, six hundred sixty-seven thousand, nine hundred sixty-nine".