1965530 has 32 divisors (see below), whose sum is σ = 4143744. Its totient is φ = 657216.

The previous prime is 1965527. The next prime is 1965541. The reversal of 1965530 is 355691.

It is a junction number, because it is equal to n+sod(n) for n = 1965493 and 1965502.

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, 2684 + ... + 3336.

It is an arithmetic number, because the mean of its divisors is an integer number (129492).

2^1965530 is an apocalyptic number.

1965530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1965530 is an abundant number, since it is smaller than the sum of its proper divisors (2178214).

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

1965530 is a wasteful number, since it uses less digits than its factorization.

1965530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 1965530 is about 1401.9736088814. The cubic root of 1965530 is about 125.2640816940.

The spelling of 1965530 in words is "one million, nine hundred sixty-five thousand, five hundred thirty".