3670389 has 6 divisors (see below), whose sum is σ = 5301686. Its totient is φ = 2446920.

The previous prime is 3670349. The next prime is 3670393. The reversal of 3670389 is 9830763.

It can be written as a sum of positive squares in only one way, i.e., 3348900 + 321489 = 1830^2 + 567^2 .

It is not a de Polignac number, because 3670389 - 2¹⁷ = 3539317 is a prime.

It is a super-2 number, since 2×3670389² = 26943510822642, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3670319) 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, 203902 + ... + 203919.

Almost surely, 2^3670389 is an apocalyptic number.

It is an amenable number.

3670389 is a deficient number, since it is larger than the sum of its proper divisors (1631297).

3670389 is a wasteful number, since it uses less digits than its factorization.

3670389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407827 (or 407824 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3670389 is about 1915.8259315501. The cubic root of 3670389 is about 154.2543304037.

The spelling of 3670389 in words is "three million, six hundred seventy thousand, three hundred eighty-nine".