8940465 has 24 divisors (see below), whose sum is σ = 15755688. Its totient is φ = 4688640.

The previous prime is 8940461. The next prime is 8940479. The reversal of 8940465 is 5640498.

It can be written as a sum of positive squares in 4 ways, for example, as 419904 + 8520561 = 648^2 + 2919^2 .

It is not a de Polignac number, because 8940465 - 2² = 8940461 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 (8940461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1117 + ... + 4373.

It is an arithmetic number, because the mean of its divisors is an integer number (656487).

Almost surely, 2^8940465 is an apocalyptic number.

It is an amenable number.

8940465 is a deficient number, since it is larger than the sum of its proper divisors (6815223).

8940465 is a wasteful number, since it uses less digits than its factorization.

8940465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329 (or 3326 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 8940465 is about 2990.0610361663. The cubic root of 8940465 is about 207.5487087471.

The spelling of 8940465 in words is "eight million, nine hundred forty thousand, four hundred sixty-five".