3690506 has 8 divisors (see below), whose sum is σ = 5576580. Its totient is φ = 1831648.

The previous prime is 3690499. The next prime is 3690517. The reversal of 3690506 is 6050963.

It can be written as a sum of positive squares in 2 ways, for example, as 3644281 + 46225 = 1909^2 + 215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 6461 + ... + 7008.

Almost surely, 2^3690506 is an apocalyptic number.

3690506 is a deficient number, since it is larger than the sum of its proper divisors (1886074).

3690506 is a wasteful number, since it uses less digits than its factorization.

3690506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13608.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 3690506 is about 1921.0689732542. The cubic root of 3690506 is about 154.5356341249.

The spelling of 3690506 in words is "three million, six hundred ninety thousand, five hundred six".