3698849 has 16 divisors (see below), whose sum is σ = 4661376. Its totient is φ = 2874960.

The previous prime is 3698839. The next prime is 3698861. The reversal of 3698849 is 9488963.

It is a de Polignac number, because none of the positive numbers 2^k-3698849 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 6² + 9 + 8³ + 8⁷ + 4⁴ + 9⁴ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3698819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9119 + ... + 9515.

It is an arithmetic number, because the mean of its divisors is an integer number (291336).

Almost surely, 2^3698849 is an apocalyptic number.

It is an amenable number.

3698849 is a deficient number, since it is larger than the sum of its proper divisors (962527).

3698849 is an equidigital number, since it uses as much as digits as its factorization.

3698849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 415 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 3698849 is about 1923.2391946921. The cubic root of 3698849 is about 154.6519976138.

The spelling of 3698849 in words is "three million, six hundred ninety-eight thousand, eight hundred forty-nine".