3195440 has 40 divisors (see below), whose sum is σ = 7566480. Its totient is φ = 1254656.

The previous prime is 3195433. The next prime is 3195457. The reversal of 3195440 is 445913.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4382 + ... + 5058.

It is an arithmetic number, because the mean of its divisors is an integer number (189162).

Almost surely, 2^3195440 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 3195440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3783240).

3195440 is an abundant number, since it is smaller than the sum of its proper divisors (4371040).

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

3195440 is a wasteful number, since it uses less digits than its factorization.

3195440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3195440 is about 1787.5793688673. The cubic root of 3195440 is about 147.2912300724.

The spelling of 3195440 in words is "three million, one hundred ninety-five thousand, four hundred forty".