3444840 has 96 divisors (see below), whose sum is σ = 12804480. Its totient is φ = 786816.

The previous prime is 3444827. The next prime is 3444851. The reversal of 3444840 is 484443.

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, 1837 + ... + 3203.

It is an arithmetic number, because the mean of its divisors is an integer number (133380).

Almost surely, 2^3444840 is an apocalyptic number.

3444840 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 3444840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6402240).

3444840 is an abundant number, since it is smaller than the sum of its proper divisors (9359640).

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

3444840 is a wasteful number, since it uses less digits than its factorization.

3444840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 3444840 is about 1856.0280170299. The cubic root of 3444840 is about 151.0276106989.

It can be divided in two parts, 344 and 4840, that added together give a square (5184 = 72²).

The spelling of 3444840 in words is "three million, four hundred forty-four thousand, eight hundred forty".