3401556 has 12 divisors (see below), whose sum is σ = 7936992. Its totient is φ = 1133848.

The previous prime is 3401549. The next prime is 3401557. The reversal of 3401556 is 6551043.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3401556² = 23141166442272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401557) 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, 141720 + ... + 141743.

It is an arithmetic number, because the mean of its divisors is an integer number (661416).

Almost surely, 2^3401556 is an apocalyptic number.

It is an amenable number.

3401556 is an abundant number, since it is smaller than the sum of its proper divisors (4535436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3401556 is a wasteful number, since it uses less digits than its factorization.

3401556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283470 (or 283468 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3401556 is about 1844.3307729364. The cubic root of 3401556 is about 150.3923948358.

Adding to 3401556 its reverse (6551043), we get a palindrome (9952599).

The spelling of 3401556 in words is "three million, four hundred one thousand, five hundred fifty-six".