1968265 has 16 divisors (see below), whose sum is σ = 2576448. Its totient is φ = 1434816.

The previous prime is 1968257. The next prime is 1968269. The reversal of 1968265 is 5628691.

1968265 = 141² + 142² + ... + 205².

It is a cyclic number.

It is not a de Polignac number, because 1968265 - 2³ = 1968257 is a prime.

It is a super-2 number, since 2×1968265² = 7748134220450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6814 + ... + 7096.

It is an arithmetic number, because the mean of its divisors is an integer number (161028).

2^1968265 is an apocalyptic number.

It is an amenable number.

1968265 is a deficient number, since it is larger than the sum of its proper divisors (608183).

1968265 is a wasteful number, since it uses less digits than its factorization.

1968265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408.

The product of its digits is 25920, while the sum is 37.

The square root of 1968265 is about 1402.9486804584. The cubic root of 1968265 is about 125.3221556791.

The spelling of 1968265 in words is "one million, nine hundred sixty-eight thousand, two hundred sixty-five".