3498665 has 4 divisors (see below), whose sum is σ = 4198404. Its totient is φ = 2798928.

The previous prime is 3498661. The next prime is 3498697. The reversal of 3498665 is 5668943.

3498665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1605289 + 1893376 = 1267^2 + 1376^2 .

It is a cyclic number.

It is not a de Polignac number, because 3498665 - 2² = 3498661 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 4³ + 9⁵ + 8 + 6⁸ + 6⁸ + 5⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3498661) 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 in 3 ways as a sum of consecutive naturals, for example, 349862 + ... + 349871.

It is an arithmetic number, because the mean of its divisors is an integer number (1049601).

Almost surely, 2^3498665 is an apocalyptic number.

It is an amenable number.

3498665 is a deficient number, since it is larger than the sum of its proper divisors (699739).

3498665 is an equidigital number, since it uses as much as digits as its factorization.

3498665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699738.

The product of its digits is 155520, while the sum is 41.

The square root of 3498665 is about 1870.4718655997. The cubic root of 3498665 is about 151.8101421090.

The spelling of 3498665 in words is "three million, four hundred ninety-eight thousand, six hundred sixty-five".