3446856 has 72 divisors (see below), whose sum is σ = 10870470. Its totient is φ = 983808.

The previous prime is 3446843. The next prime is 3446857. The reversal of 3446856 is 6586443.

It can be written as a sum of positive squares in only one way, i.e., 2160900 + 1285956 = 1470^2 + 1134^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3446856.

It is not an unprimeable number, because it can be changed into a prime (3446857) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3040 + ... + 4016.

Almost surely, 2^3446856 is an apocalyptic number.

3446856 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 3446856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5435235).

3446856 is an abundant number, since it is smaller than the sum of its proper divisors (7423614).

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

3446856 is a wasteful number, since it uses less digits than its factorization.

3446856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 989 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 3446856 is about 1856.5710328452. The cubic root of 3446856 is about 151.0570665698.

The spelling of 3446856 in words is "three million, four hundred forty-six thousand, eight hundred fifty-six".