3444240 has 80 divisors (see below), whose sum is σ = 10856448. Its totient is φ = 903168.

The previous prime is 3444209. The next prime is 3444247. The reversal of 3444240 is 424443.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3444247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27057 + ... + 27183.

Almost surely, 2^3444240 is an apocalyptic number.

3444240 is a gapful number since it is divisible by the number (30) 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 3444240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5428224).

3444240 is an abundant number, since it is smaller than the sum of its proper divisors (7412208).

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

3444240 is a wasteful number, since it uses less digits than its factorization.

3444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 3444240 is about 1855.8663745001. The cubic root of 3444240 is about 151.0188418515.

Adding to 3444240 its reverse (424443), we get a palindrome (3868683).

The spelling of 3444240 in words is "three million, four hundred forty-four thousand, two hundred forty".