3195840 has 56 divisors (see below), whose sum is σ = 10149840. Its totient is φ = 851968.

The previous prime is 3195839. The next prime is 3195869. The reversal of 3195840 is 485913.

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 a junction number, because it is equal to n+sod(n) for n = 3195798 and 3195807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705 + ... + 2624.

Almost surely, 2^3195840 is an apocalyptic number.

3195840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3195840 is an abundant number, since it is smaller than the sum of its proper divisors (6954000).

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

3195840 is a wasteful number, since it uses less digits than its factorization.

3195840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349 (or 3339 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 3195840 is about 1787.6912485102. The cubic root of 3195840 is about 147.2973757085.

The spelling of 3195840 in words is "three million, one hundred ninety-five thousand, eight hundred forty".