8138976 has 48 divisors (see below), whose sum is σ = 21546000. Its totient is φ = 2690048.

The previous prime is 8138947. The next prime is 8138981. The reversal of 8138976 is 6798318.

It is a tau number, because it is divible by the number of its divisors (48).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14020 + ... + 14588.

It is an arithmetic number, because the mean of its divisors is an integer number (448875).

Almost surely, 2^8138976 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 8138976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10773000).

8138976 is an abundant number, since it is smaller than the sum of its proper divisors (13407024).

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

8138976 is a wasteful number, since it uses less digits than its factorization.

8138976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 723 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 8138976 is about 2852.8890619861. The cubic root of 8138976 is about 201.1514909529.

The spelling of 8138976 in words is "eight million, one hundred thirty-eight thousand, nine hundred seventy-six".