3401856 has 48 divisors (see below), whose sum is σ = 9792510. Its totient is φ = 1133568.

The previous prime is 3401843. The next prime is 3401869. The reversal of 3401856 is 6581043.

It is an interprime number because it is at equal distance from previous prime (3401843) and next prime (3401869).

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 968256 = 1560^2 + 984^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325 + ... + 2628.

Almost surely, 2^3401856 is an apocalyptic number.

3401856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3401856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4896255).

3401856 is an abundant number, since it is smaller than the sum of its proper divisors (6390654).

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

3401856 is a wasteful number, since it uses less digits than its factorization.

3401856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973 (or 2958 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3401856 is about 1844.4121014567. The cubic root of 3401856 is about 150.3968159881.

Adding to 3401856 its reverse (6581043), we get a palindrome (9982899).

The spelling of 3401856 in words is "three million, four hundred one thousand, eight hundred fifty-six".