3447396 has 72 divisors (see below), whose sum is σ = 9513504. Its totient is φ = 1048320.

The previous prime is 3447377. The next prime is 3447407. The reversal of 3447396 is 6937443.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3447396.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26251 + ... + 26381.

It is an arithmetic number, because the mean of its divisors is an integer number (132132).

Almost surely, 2^3447396 is an apocalyptic number.

3447396 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 3447396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4756752).

3447396 is an abundant number, since it is smaller than the sum of its proper divisors (6066108).

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

3447396 is a wasteful number, since it uses less digits than its factorization.

3447396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 196 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 3447396 is about 1856.7164565436. The cubic root of 3447396 is about 151.0649545850.

Subtracting from 3447396 its product of digits (54432), we obtain a square (3392964 = 1842²).

The spelling of 3447396 in words is "three million, four hundred forty-seven thousand, three hundred ninety-six".