3489381 has 24 divisors (see below), whose sum is σ = 5829824. Its totient is φ = 1969920.

The previous prime is 3489373. The next prime is 3489389. The reversal of 3489381 is 1839843.

It is an interprime number because it is at equal distance from previous prime (3489373) and next prime (3489389).

It is not a de Polignac number, because 3489381 - 2³ = 3489373 is a prime.

It is a super-2 number, since 2×3489381² = 24351559526322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3489389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5826 + ... + 6396.

Almost surely, 2^3489381 is an apocalyptic number.

It is an amenable number.

3489381 is a deficient number, since it is larger than the sum of its proper divisors (2340443).

3489381 is a wasteful number, since it uses less digits than its factorization.

3489381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 678 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 3489381 is about 1867.9884903286. The cubic root of 3489381 is about 151.6757428587.

The spelling of 3489381 in words is "three million, four hundred eighty-nine thousand, three hundred eighty-one".