1965715 has 4 divisors (see below), whose sum is σ = 2358864. Its totient is φ = 1572568.

The previous prime is 1965709. The next prime is 1965731. The reversal of 1965715 is 5175691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1965715 - 2⁹ = 1965203 is a prime.

It is a super-2 number, since 2×1965715² = 7728070922450, which contains 22 as substring.

It is a Duffinian number.

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, 196567 + ... + 196576.

It is an arithmetic number, because the mean of its divisors is an integer number (589716).

2^1965715 is an apocalyptic number.

1965715 is a deficient number, since it is larger than the sum of its proper divisors (393149).

1965715 is an equidigital number, since it uses as much as digits as its factorization.

1965715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393148.

The product of its digits is 9450, while the sum is 34.

The square root of 1965715 is about 1402.0395857464. The cubic root of 1965715 is about 125.2680116142.

The spelling of 1965715 in words is "one million, nine hundred sixty-five thousand, seven hundred fifteen".