8261632 has 26 divisors (see below), whose sum is σ = 16529438. Its totient is φ = 4128768.

The previous prime is 8261621. The next prime is 8261641. The reversal of 8261632 is 2361628.

It can be written as a sum of positive squares in only one way, i.e., 7929856 + 331776 = 2816^2 + 576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8261632.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3088 + ... + 5104.

Almost surely, 2^8261632 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 8261632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8264719).

8261632 is an abundant number, since it is smaller than the sum of its proper divisors (8267806).

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

8261632 is an equidigital number, since it uses as much as digits as its factorization.

8261632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2019 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 8261632 is about 2874.3054813294. The cubic root of 8261632 is about 202.1569214928.

The spelling of 8261632 in words is "eight million, two hundred sixty-one thousand, six hundred thirty-two".