3401656 has 8 divisors (see below), whose sum is σ = 6378120. Its totient is φ = 1700824.

The previous prime is 3401621. The next prime is 3401659. The reversal of 3401656 is 6561043.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3401656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212596 + ... + 212611.

It is an arithmetic number, because the mean of its divisors is an integer number (797265).

Almost surely, 2^3401656 is an apocalyptic number.

It is an amenable number.

3401656 is a deficient number, since it is larger than the sum of its proper divisors (2976464).

3401656 is a wasteful number, since it uses less digits than its factorization.

3401656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425213 (or 425209 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3401656 is about 1844.3578828416. The cubic root of 3401656 is about 150.3938685821.

Adding to 3401656 its reverse (6561043), we get a palindrome (9962699).

The spelling of 3401656 in words is "three million, four hundred one thousand, six hundred fifty-six".