3429665 has 16 divisors (see below), whose sum is σ = 4402512. Its totient is φ = 2555904.

The previous prime is 3429661. The next prime is 3429667. The reversal of 3429665 is 5669243.

It can be written as a sum of positive squares in 8 ways, for example, as 300304 + 3129361 = 548^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 3429665 - 2² = 3429661 is a prime.

It is a d-powerful number, because it can be written as 3 + 4³ + 2¹³ + 9⁵ + 6⁸ + 6⁸ + 5⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3429661) 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, 13217 + ... + 13473.

It is an arithmetic number, because the mean of its divisors is an integer number (275157).

Almost surely, 2^3429665 is an apocalyptic number.

It is an amenable number.

3429665 is a deficient number, since it is larger than the sum of its proper divisors (972847).

3429665 is a wasteful number, since it uses less digits than its factorization.

3429665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436.

The product of its digits is 38880, while the sum is 35.

The square root of 3429665 is about 1851.9354740379. The cubic root of 3429665 is about 150.8055183763.

The spelling of 3429665 in words is "three million, four hundred twenty-nine thousand, six hundred sixty-five".