3438981 has 72 divisors (see below), whose sum is σ = 6851520. Its totient is φ = 1617408.

The previous prime is 3438979. The next prime is 3439001. The reversal of 3438981 is 1898343.

3438981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3438981 - 2¹ = 3438979 is a prime.

It is a super-2 number, since 2×3438981² = 23653180636722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438901) 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 71 ways as a sum of consecutive naturals, for example, 180990 + ... + 181008.

It is an arithmetic number, because the mean of its divisors is an integer number (95160).

Almost surely, 2^3438981 is an apocalyptic number.

3438981 is the 1071-st octagonal number.

It is an amenable number.

3438981 is a deficient number, since it is larger than the sum of its proper divisors (3412539).

3438981 is a wasteful number, since it uses less digits than its factorization.

3438981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 59 counting only the distinct ones).

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

The square root of 3438981 is about 1854.4489747631. The cubic root of 3438981 is about 150.9419392879.

The spelling of 3438981 in words is "three million, four hundred thirty-eight thousand, nine hundred eighty-one".