3428565 has 16 divisors (see below), whose sum is σ = 6269568. Its totient is φ = 1567296.

The previous prime is 3428563. The next prime is 3428567. The reversal of 3428565 is 5658243.

It is an interprime number because it is at equal distance from previous prime (3428563) and next prime (3428567).

It is not a de Polignac number, because 3428565 - 2¹ = 3428563 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁷ + 4¹⁰ + 2²¹ + 8² + 5² + 6⁷ + 5⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428563) 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, 16222 + ... + 16431.

It is an arithmetic number, because the mean of its divisors is an integer number (391848).

Almost surely, 2^3428565 is an apocalyptic number.

3428565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3428565 is a deficient number, since it is larger than the sum of its proper divisors (2841003).

3428565 is a wasteful number, since it uses less digits than its factorization.

3428565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32668.

The product of its digits is 28800, while the sum is 33.

The square root of 3428565 is about 1851.6384636316. The cubic root of 3428565 is about 150.7893939823.

It can be divided in two parts, 3428 and 565, that added together give a palindrome (3993).

The spelling of 3428565 in words is "three million, four hundred twenty-eight thousand, five hundred sixty-five".