3409647 has 8 divisors (see below), whose sum is σ = 4593456. Its totient is φ = 2249472.

The previous prime is 3409643. The next prime is 3409663. The reversal of 3409647 is 7469043.

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

It is not a de Polignac number, because 3409647 - 2² = 3409643 is a prime.

3409647 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3409643) 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, 5568 + ... + 6149.

It is an arithmetic number, because the mean of its divisors is an integer number (574182).

Almost surely, 2^3409647 is an apocalyptic number.

3409647 is a deficient number, since it is larger than the sum of its proper divisors (1183809).

3409647 is a wasteful number, since it uses less digits than its factorization.

3409647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11817.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 3409647 is about 1846.5229486795. The cubic root of 3409647 is about 150.5115424016.

It can be divided in two parts, 34096 and 47, that added together give a palindrome (34143).

The spelling of 3409647 in words is "three million, four hundred nine thousand, six hundred forty-seven".