909397965 has 16 divisors (see below), whose sum is σ = 1662899328. Its totient is φ = 415724736.

The previous prime is 909397963. The next prime is 909397987. The reversal of 909397965 is 569793909.

It is not a de Polignac number, because 909397965 - 2¹ = 909397963 is a prime.

It is a super-2 number, since 2×909397965² = 1654009317492282450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909397963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4330362 + ... + 4330571.

It is an arithmetic number, because the mean of its divisors is an integer number (103931208).

Almost surely, 2^909397965 is an apocalyptic number.

It is an amenable number.

909397965 is a deficient number, since it is larger than the sum of its proper divisors (753501363).

909397965 is a wasteful number, since it uses less digits than its factorization.

909397965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8660948.

The product of its (nonzero) digits is 4133430, while the sum is 57.

The square root of 909397965 is about 30156.2259740837. The cubic root of 909397965 is about 968.8383603621.

The spelling of 909397965 in words is "nine hundred nine million, three hundred ninety-seven thousand, nine hundred sixty-five".