3426989 has 2 divisors, whose sum is σ = 3426990. Its totient is φ = 3426988.

The previous prime is 3426967. The next prime is 3426991. The reversal of 3426989 is 9896243.

It is a happy number.

3426989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3422500 + 4489 = 1850^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 3426989 - 2⁸ = 3426733 is a prime.

It is a super-2 number, since 2×3426989² = 23488507212242, which contains 22 as substring.

Together with 3426991, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3 + 4¹⁰ + 2²¹ + 6⁷ + 9² + 8³ + 9³ .

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3426949) 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 as a sum of consecutive naturals, namely, 1713494 + 1713495.

It is an arithmetic number, because the mean of its divisors is an integer number (1713495).

Almost surely, 2^3426989 is an apocalyptic number.

It is an amenable number.

3426989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3426989 is an equidigital number, since it uses as much as digits as its factorization.

3426989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 3426989 is about 1851.2128456771. The cubic root of 3426989 is about 150.7662861120.

The spelling of 3426989 in words is "three million, four hundred twenty-six thousand, nine hundred eighty-nine".