1965740 has 48 divisors (see below), whose sum is σ = 4972800. Its totient is φ = 637632.

The previous prime is 1965731. The next prime is 1965751. The reversal of 1965740 is 475691.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1965697 and 1965706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2291 + ... + 3029.

It is an arithmetic number, because the mean of its divisors is an integer number (103600).

2^1965740 is an apocalyptic number.

1965740 is a gapful number since it is divisible by the number (10) 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 1965740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2486400).

1965740 is an abundant number, since it is smaller than the sum of its proper divisors (3007060).

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

1965740 is a wasteful number, since it uses less digits than its factorization.

1965740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1965740 is about 1402.0485013009. The cubic root of 1965740 is about 125.2685426656.

The spelling of 1965740 in words is "one million, nine hundred sixty-five thousand, seven hundred forty".