3690903 has 4 divisors (see below), whose sum is σ = 4921208. Its totient is φ = 2460600.

The previous prime is 3690899. The next prime is 3690923. The reversal of 3690903 is 3090963.

3690903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3690903 - 2² = 3690899 is a prime.

It is a D-number.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615148 + ... + 615153.

It is an arithmetic number, because the mean of its divisors is an integer number (1230302).

Almost surely, 2^3690903 is an apocalyptic number.

3690903 is a deficient number, since it is larger than the sum of its proper divisors (1230305).

3690903 is a wasteful number, since it uses less digits than its factorization.

3690903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230304.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 3690903 is about 1921.1722983637. The cubic root of 3690903 is about 154.5411752302.

The spelling of 3690903 in words is "three million, six hundred ninety thousand, nine hundred three".