3442989 has 16 divisors (see below), whose sum is σ = 5062464. Its totient is φ = 2064000.

The previous prime is 3442987. The next prime is 3442991. The reversal of 3442989 is 9892443.

It is an interprime number because it is at equal distance from previous prime (3442987) and next prime (3442991).

It is not a de Polignac number, because 3442989 - 2¹ = 3442987 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 4⁹ + 4¹⁰ + 2²¹ + 9² + 8⁵ + 9² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442987) 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, 2817 + ... + 3849.

It is an arithmetic number, because the mean of its divisors is an integer number (316404).

Almost surely, 2^3442989 is an apocalyptic number.

It is an amenable number.

3442989 is a deficient number, since it is larger than the sum of its proper divisors (1619475).

3442989 is a wasteful number, since it uses less digits than its factorization.

3442989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148.

The product of its digits is 62208, while the sum is 39.

The square root of 3442989 is about 1855.5293045382. The cubic root of 3442989 is about 151.0005555291. Note that the first 3 decimals are identical.

It can be divided in two parts, 344 and 2989, that added together give a palindrome (3333).

The spelling of 3442989 in words is "three million, four hundred forty-two thousand, nine hundred eighty-nine".