3485989 has 4 divisors (see below), whose sum is σ = 3754156. Its totient is φ = 3217824.

The previous prime is 3485983. The next prime is 3486013. The reversal of 3485989 is 9895843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9895843 = 97 ⋅102019.

It can be written as a sum of positive squares in 2 ways, for example, as 980100 + 2505889 = 990^2 + 1583^2 .

It is a cyclic number.

It is not a de Polignac number, because 3485989 - 2⁵ = 3485957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3485983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134064 + ... + 134089.

It is an arithmetic number, because the mean of its divisors is an integer number (938539).

Almost surely, 2^3485989 is an apocalyptic number.

It is an amenable number.

3485989 is a deficient number, since it is larger than the sum of its proper divisors (268167).

3485989 is a wasteful number, since it uses less digits than its factorization.

3485989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268166.

The product of its digits is 311040, while the sum is 46.

The square root of 3485989 is about 1867.0803410673. The cubic root of 3485989 is about 151.6265793234.

The spelling of 3485989 in words is "three million, four hundred eighty-five thousand, nine hundred eighty-nine".