3998349 has 32 divisors (see below), whose sum is σ = 6497280. Its totient is φ = 2419200.

The previous prime is 3998339. The next prime is 3998353. The reversal of 3998349 is 9438993.

It is not a de Polignac number, because 3998349 - 2⁴ = 3998333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14089 + ... + 14369.

It is an arithmetic number, because the mean of its divisors is an integer number (203040).

Almost surely, 2^3998349 is an apocalyptic number.

It is an amenable number.

3998349 is a deficient number, since it is larger than the sum of its proper divisors (2498931).

3998349 is a wasteful number, since it uses less digits than its factorization.

3998349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 332 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 3998349 is about 1999.5872074006. The cubic root of 3998349 is about 158.7182621985.

The spelling of 3998349 in words is "three million, nine hundred ninety-eight thousand, three hundred forty-nine".