3698287 has 4 divisors (see below), whose sum is σ = 3768120. Its totient is φ = 3628456.

The previous prime is 3698273. The next prime is 3698311. The reversal of 3698287 is 7828963.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3698287 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 (3698237) 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, 34837 + ... + 34942.

It is an arithmetic number, because the mean of its divisors is an integer number (942030).

Almost surely, 2^3698287 is an apocalyptic number.

3698287 is a deficient number, since it is larger than the sum of its proper divisors (69833).

3698287 is an equidigital number, since it uses as much as digits as its factorization.

3698287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69832.

The product of its digits is 145152, while the sum is 43.

The square root of 3698287 is about 1923.0930814706. The cubic root of 3698287 is about 154.6441646523.

The spelling of 3698287 in words is "three million, six hundred ninety-eight thousand, two hundred eighty-seven".