8261880 has 96 divisors (see below), whose sum is σ = 27291600. Its totient is φ = 1999360.

The previous prime is 8261879. The next prime is 8261893. The reversal of 8261880 is 881628.

It is a super-2 number, since 2×8261880² = 136517322268800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14236 + ... + 14804.

Almost surely, 2^8261880 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 8261880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13645800).

8261880 is an abundant number, since it is smaller than the sum of its proper divisors (19029720).

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

8261880 is a wasteful number, since it uses less digits than its factorization.

8261880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 8261880 is about 2874.3486218620. The cubic root of 8261880 is about 202.1589442737.

The spelling of 8261880 in words is "eight million, two hundred sixty-one thousand, eight hundred eighty".