3447936 has 96 divisors (see below), whose sum is σ = 10303020. Its totient is φ = 1105920.

The previous prime is 3447931. The next prime is 3447943. The reversal of 3447936 is 6397443.

It can be written as a sum of positive squares in 2 ways, for example, as 3240000 + 207936 = 1800^2 + 456^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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 3447936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3447931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47196 + ... + 47268.

Almost surely, 2^3447936 is an apocalyptic number.

3447936 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 3447936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5151510).

3447936 is an abundant number, since it is smaller than the sum of its proper divisors (6855084).

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

3447936 is a wasteful number, since it uses less digits than its factorization.

3447936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 119 counting only the distinct ones).

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

The square root of 3447936 is about 1856.8618688529. The cubic root of 3447936 is about 151.0728417764.

The spelling of 3447936 in words is "three million, four hundred forty-seven thousand, nine hundred thirty-six".