3428386 has 8 divisors (see below), whose sum is σ = 5538204. Its totient is φ = 1582320.

The previous prime is 3428371. The next prime is 3428389. The reversal of 3428386 is 6838243.

It can be written as a sum of positive squares in 2 ways, for example, as 2673225 + 755161 = 1635^2 + 869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 3⁴ + 4¹⁰ + 2¹¹ + 8³ + 3⁴ + 8⁷ + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (3428389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65905 + ... + 65956.

Almost surely, 2^3428386 is an apocalyptic number.

3428386 is a deficient number, since it is larger than the sum of its proper divisors (2109818).

3428386 is a wasteful number, since it uses less digits than its factorization.

3428386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131876.

The product of its digits is 27648, while the sum is 34.

The square root of 3428386 is about 1851.5901274310. The cubic root of 3428386 is about 150.7867697774.

The spelling of 3428386 in words is "three million, four hundred twenty-eight thousand, three hundred eighty-six".