1009965 has 16 divisors (see below), whose sum is σ = 1763136. Its totient is φ = 489600.

The previous prime is 1009963. The next prime is 1009991. The reversal of 1009965 is 5699001.

It is not a de Polignac number, because 1009965 - 2¹ = 1009963 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009963) 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, 2896 + ... + 3225.

It is an arithmetic number, because the mean of its divisors is an integer number (110196).

2^1009965 is an apocalyptic number.

1009965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1009965 is a deficient number, since it is larger than the sum of its proper divisors (753171).

1009965 is a wasteful number, since it uses less digits than its factorization.

1009965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6140.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 1009965 is about 1004.9701488104. The cubic root of 1009965 is about 100.3310693877.

The spelling of 1009965 in words is "one million, nine thousand, nine hundred sixty-five".