3690529 has 2 divisors, whose sum is σ = 3690530. Its totient is φ = 3690528.

The previous prime is 3690527. The next prime is 3690539. The reversal of 3690529 is 9250963.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3629025 + 61504 = 1905^2 + 248^2 .

It is a cyclic number.

It is not a de Polignac number, because 3690529 - 2¹ = 3690527 is a prime.

Together with 3690527, it forms a pair of twin primes.

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

3690529 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3690494 and 3690503.

It is not a weakly prime, because it can be changed into another prime (3690521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1845264 + 1845265.

It is an arithmetic number, because the mean of its divisors is an integer number (1845265).

Almost surely, 2^3690529 is an apocalyptic number.

It is an amenable number.

3690529 is a deficient number, since it is larger than the sum of its proper divisors (1).

3690529 is an equidigital number, since it uses as much as digits as its factorization.

3690529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 3690529 is about 1921.0749594953. The cubic root of 3690529 is about 154.5359551569.

The spelling of 3690529 in words is "three million, six hundred ninety thousand, five hundred twenty-nine".