1009365 has 16 divisors (see below), whose sum is σ = 1845888. Its totient is φ = 461376.

The previous prime is 1009361. The next prime is 1009369. The reversal of 1009365 is 5639001.

It is an interprime number because it is at equal distance from previous prime (1009361) and next prime (1009369).

It is not a de Polignac number, because 1009365 - 2² = 1009361 is a prime.

1009365 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4702 + ... + 4911.

It is an arithmetic number, because the mean of its divisors is an integer number (115368).

2^1009365 is an apocalyptic number.

1009365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1009365 is a deficient number, since it is larger than the sum of its proper divisors (836523).

1009365 is an equidigital number, since it uses as much as digits as its factorization.

1009365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9628.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 1009365 is about 1004.6715881322. The cubic root of 1009365 is about 100.3111972250.

The spelling of 1009365 in words is "one million, nine thousand, three hundred sixty-five".