8921376 has 36 divisors (see below), whose sum is σ = 25370982. Its totient is φ = 2973696.

The previous prime is 8921371. The next prime is 8921377. The reversal of 8921376 is 6731298.

It can be written as a sum of positive squares in only one way, i.e., 4511376 + 4410000 = 2124^2 + 2100^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 8³ + 9³ + 2²³ + 1 + 3¹² + 7² + 6² .

It is a self number, because there is not a number n which added to its sum of digits gives 8921376.

It is not an unprimeable number, because it can be changed into a prime (8921371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15201 + ... + 15776.

Almost surely, 2^8921376 is an apocalyptic number.

It is an amenable number.

8921376 is an abundant number, since it is smaller than the sum of its proper divisors (16449606).

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

8921376 is a wasteful number, since it uses less digits than its factorization.

8921376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30993 (or 30982 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 8921376 is about 2986.8672551689. The cubic root of 8921376 is about 207.4008894273.

The spelling of 8921376 in words is "eight million, nine hundred twenty-one thousand, three hundred seventy-six".