3667240 has 32 divisors (see below), whose sum is σ = 8738280. Its totient is φ = 1380352.

The previous prime is 3667231. The next prime is 3667243. The reversal of 3667240 is 427663.

It can be written as a sum of positive squares in 4 ways, for example, as 3663396 + 3844 = 1914^2 + 62^2 .

It is a d-powerful number, because it can be written as 3¹³ + 6² + 6⁸ + 7² + 2¹⁷ + 4⁹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 3667199 and 3667208.

It is not an unprimeable number, because it can be changed into a prime (3667243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017 + ... + 3376.

Almost surely, 2^3667240 is an apocalyptic number.

It is an amenable number.

3667240 is an abundant number, since it is smaller than the sum of its proper divisors (5071040).

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

3667240 is a wasteful number, since it uses less digits than its factorization.

3667240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421 (or 5417 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 3667240 is about 1915.0039164451. The cubic root of 3667240 is about 154.2102037577.

It can be divided in two parts, 36 and 67240, that added together give a palindrome (67276).

The spelling of 3667240 in words is "three million, six hundred sixty-seven thousand, two hundred forty".