8378964 has 60 divisors (see below), whose sum is σ = 23905728. Its totient is φ = 2538000.

The previous prime is 8378893. The next prime is 8378987. The reversal of 8378964 is 4698738.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2389 + ... + 4739.

Almost surely, 2^8378964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8378964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11952864).

8378964 is an abundant number, since it is smaller than the sum of its proper divisors (15526764).

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

8378964 is a wasteful number, since it uses less digits than its factorization.

8378964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378 (or 2367 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 8378964 is about 2894.6440195644. The cubic root of 8378964 is about 203.1094397232.

It can be divided in two parts, 837 and 8964, that added together give a square (9801 = 99²).

The spelling of 8378964 in words is "eight million, three hundred seventy-eight thousand, nine hundred sixty-four".