1965842 has 8 divisors (see below), whose sum is σ = 2956800. Its totient is φ = 980244.

The previous prime is 1965781. The next prime is 1965851. The reversal of 1965842 is 2485691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (369600).

2^1965842 is an apocalyptic number.

1965842 is a deficient number, since it is larger than the sum of its proper divisors (990958).

1965842 is a wasteful number, since it uses less digits than its factorization.

1965842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680.

The product of its digits is 17280, while the sum is 35.

The square root of 1965842 is about 1402.0848761755. The cubic root of 1965842 is about 125.2707093085.

The spelling of 1965842 in words is "one million, nine hundred sixty-five thousand, eight hundred forty-two".