8465920 has 40 divisors (see below), whose sum is σ = 20304504. Its totient is φ = 3385344.

The previous prime is 8465903. The next prime is 8465927. The reversal of 8465920 is 295648.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8465927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907 + ... + 4213.

Almost surely, 2^8465920 is an apocalyptic number.

8465920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8465920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10152252).

8465920 is an abundant number, since it is smaller than the sum of its proper divisors (11838584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8465920 is an equidigital number, since it uses as much as digits as its factorization.

8465920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 8465920 is about 2909.6254054431. The cubic root of 8465920 is about 203.8096391588.

The spelling of 8465920 in words is "eight million, four hundred sixty-five thousand, nine hundred twenty".