3430665 has 24 divisors (see below), whose sum is σ = 6796608. Its totient is φ = 1568160.

The previous prime is 3430663. The next prime is 3430711. The reversal of 3430665 is 5660343.

It is not a de Polignac number, because 3430665 - 2¹ = 3430663 is a prime.

It is a Curzon number.

3430665 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3430663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5131 + ... + 5760.

It is an arithmetic number, because the mean of its divisors is an integer number (283192).

Almost surely, 2^3430665 is an apocalyptic number.

3430665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3430665 is a deficient number, since it is larger than the sum of its proper divisors (3365943).

3430665 is a wasteful number, since it uses less digits than its factorization.

3430665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10909 (or 10906 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 3430665 is about 1852.2054421689. The cubic root of 3430665 is about 150.8201739246.

It can be divided in two parts, 3430 and 665, that added together give a triangular number (4095 = T₉₀).

The spelling of 3430665 in words is "three million, four hundred thirty thousand, six hundred sixty-five".