3944460 has 72 divisors (see below), whose sum is σ = 11990160. Its totient is φ = 968448.

The previous prime is 3944449. The next prime is 3944461. The reversal of 3944460 is 644493.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3944461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9946 + ... + 10334.

It is an arithmetic number, because the mean of its divisors is an integer number (166530).

Almost surely, 2^3944460 is an apocalyptic number.

3944460 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 3944460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5995080).

3944460 is an abundant number, since it is smaller than the sum of its proper divisors (8045700).

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

3944460 is a wasteful number, since it uses less digits than its factorization.

3944460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 3944460 is about 1986.0664641446. The cubic root of 3944460 is about 158.0019761543.

The spelling of 3944460 in words is "three million, nine hundred forty-four thousand, four hundred sixty".