3699491 has 4 divisors (see below), whose sum is σ = 3746400. Its totient is φ = 3652584.

The previous prime is 3699457. The next prime is 3699497. The reversal of 3699491 is 1949963.

3699491 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 a cyclic number.

It is not a de Polignac number, because 3699491 - 2⁶ = 3699427 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3699497) 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, 23336 + ... + 23493.

It is an arithmetic number, because the mean of its divisors is an integer number (936600).

Almost surely, 2^3699491 is an apocalyptic number.

3699491 is a deficient number, since it is larger than the sum of its proper divisors (46909).

3699491 is an equidigital number, since it uses as much as digits as its factorization.

3699491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46908.

The product of its digits is 52488, while the sum is 41.

The square root of 3699491 is about 1923.4060933667. The cubic root of 3699491 is about 154.6609446167.

The spelling of 3699491 in words is "three million, six hundred ninety-nine thousand, four hundred ninety-one".