3485649 has 4 divisors (see below), whose sum is σ = 4647536. Its totient is φ = 2323764.

The previous prime is 3485641. The next prime is 3485681. The reversal of 3485649 is 9465843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9465843 = 3 ⋅3155281.

It is not a de Polignac number, because 3485649 - 2³ = 3485641 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

3485649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3485641) 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 3 ways as a sum of consecutive naturals, for example, 580939 + ... + 580944.

It is an arithmetic number, because the mean of its divisors is an integer number (1161884).

Almost surely, 2^3485649 is an apocalyptic number.

It is an amenable number.

3485649 is a deficient number, since it is larger than the sum of its proper divisors (1161887).

3485649 is a wasteful number, since it uses less digits than its factorization.

3485649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161886.

The product of its digits is 103680, while the sum is 39.

The square root of 3485649 is about 1866.9892875965. The cubic root of 3485649 is about 151.6216496164.

The spelling of 3485649 in words is "three million, four hundred eighty-five thousand, six hundred forty-nine".