3439645 has 8 divisors (see below), whose sum is σ = 4502880. Its totient is φ = 2501520.

The previous prime is 3439643. The next prime is 3439649. The reversal of 3439645 is 5469343.

It is a happy number.

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

It is not a de Polignac number, because 3439645 - 2¹ = 3439643 is a prime.

3439645 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3439645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3439643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31215 + ... + 31324.

It is an arithmetic number, because the mean of its divisors is an integer number (562860).

Almost surely, 2^3439645 is an apocalyptic number.

It is an amenable number.

3439645 is a deficient number, since it is larger than the sum of its proper divisors (1063235).

3439645 is a wasteful number, since it uses less digits than its factorization.

3439645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62555.

The product of its digits is 38880, while the sum is 34.

The square root of 3439645 is about 1854.6279950438. The cubic root of 3439645 is about 150.9516533086.

The spelling of 3439645 in words is "three million, four hundred thirty-nine thousand, six hundred forty-five".