3698249 has 4 divisors (see below), whose sum is σ = 3704064. Its totient is φ = 3692436.

The previous prime is 3698243. The next prime is 3698251. The reversal of 3698249 is 9428963.

It is a happy number.

3698249 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3698249 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 6² + 9² + 8⁷ + 2⁵ + 4³ + 9⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3698243) 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, 1817 + ... + 3270.

It is an arithmetic number, because the mean of its divisors is an integer number (926016).

Almost surely, 2^3698249 is an apocalyptic number.

It is an amenable number.

3698249 is a deficient number, since it is larger than the sum of its proper divisors (5815).

3698249 is an equidigital number, since it uses as much as digits as its factorization.

3698249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814.

The product of its digits is 93312, while the sum is 41.

The square root of 3698249 is about 1923.0832015282. The cubic root of 3698249 is about 154.6436349928.

The spelling of 3698249 in words is "three million, six hundred ninety-eight thousand, two hundred forty-nine".