3423985 has 8 divisors (see below), whose sum is σ = 4125096. Its totient is φ = 2728320.

The previous prime is 3423983. The next prime is 3424019. The reversal of 3423985 is 5893243.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1361889 + 2062096 = 1167^2 + 1436^2 .

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

It is not a de Polignac number, because 3423985 - 2¹ = 3423983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3423985.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3423983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (515637).

Almost surely, 2^3423985 is an apocalyptic number.

It is an amenable number.

3423985 is a deficient number, since it is larger than the sum of its proper divisors (701111).

3423985 is a wasteful number, since it uses less digits than its factorization.

3423985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723.

The product of its digits is 25920, while the sum is 34.

The square root of 3423985 is about 1850.4013078249. The cubic root of 3423985 is about 150.7222207705.

The spelling of 3423985 in words is "three million, four hundred twenty-three thousand, nine hundred eighty-five".