3402646 has 12 divisors (see below), whose sum is σ = 5527332. Its totient is φ = 1570296.

The previous prime is 3402613. The next prime is 3402647. The reversal of 3402646 is 6462043.

It is a self number, because there is not a number n which added to its sum of digits gives 3402646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4696 + ... + 5371.

It is an arithmetic number, because the mean of its divisors is an integer number (460611).

Almost surely, 2^3402646 is an apocalyptic number.

3402646 is a deficient number, since it is larger than the sum of its proper divisors (2124686).

3402646 is a wasteful number, since it uses less digits than its factorization.

3402646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10095 (or 10082 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3402646 is about 1844.6262494066. The cubic root of 3402646 is about 150.4084571127.

Adding to 3402646 its reverse (6462043), we get a palindrome (9864689).

The spelling of 3402646 in words is "three million, four hundred two thousand, six hundred forty-six".