3019940 has 96 divisors (see below), whose sum is σ = 8273664. Its totient is φ = 898560.

The previous prime is 3019921. The next prime is 3019949. The reversal of 3019940 is 499103.

3019940 = 140² + 141² + ... + 227².

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3019949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56954 + ... + 57006.

It is an arithmetic number, because the mean of its divisors is an integer number (86184).

Almost surely, 2^3019940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3019940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4136832).

3019940 is an abundant number, since it is smaller than the sum of its proper divisors (5253724).

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

3019940 is a wasteful number, since it uses less digits than its factorization.

3019940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3019940 is about 1737.7974565524. The cubic root of 3019940 is about 144.5437900831.

The spelling of 3019940 in words is "three million, nineteen thousand, nine hundred forty".