3689029 has 4 divisors (see below), whose sum is σ = 3712684. Its totient is φ = 3665376.

The previous prime is 3689009. The next prime is 3689069. The reversal of 3689029 is 9209863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2024929 + 1664100 = 1423^2 + 1290^2 .

It is a cyclic number.

It is not a de Polignac number, because 3689029 - 2¹³ = 3680837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11592 + ... + 11905.

It is an arithmetic number, because the mean of its divisors is an integer number (928171).

Almost surely, 2^3689029 is an apocalyptic number.

It is an amenable number.

3689029 is a deficient number, since it is larger than the sum of its proper divisors (23655).

3689029 is a wasteful number, since it uses less digits than its factorization.

3689029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23654.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 3689029 is about 1920.6845133962. The cubic root of 3689029 is about 154.5150154899.

The spelling of 3689029 in words is "three million, six hundred eighty-nine thousand, twenty-nine".