918965 has 16 divisors (see below), whose sum is σ = 1178496. Its totient is φ = 686400.

The previous prime is 918959. The next prime is 918971. The reversal of 918965 is 569819.

918965 = 26² + 27² + ... + 140².

918965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (918959) and next prime (918971).

It is not a de Polignac number, because 918965 - 2⁴ = 918949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 6950 + ... + 7080.

It is an arithmetic number, because the mean of its divisors is an integer number (73656).

2⁹¹⁸⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

918965 is a deficient number, since it is larger than the sum of its proper divisors (259531).

918965 is a wasteful number, since it uses less digits than its factorization.

918965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220.

The product of its digits is 19440, while the sum is 38.

The square root of 918965 is about 958.6266217876. The cubic root of 918965 is about 97.2223968553. Note that the first 3 decimals are identical.

The spelling of 918965 in words is "nine hundred eighteen thousand, nine hundred sixty-five".