8261604 has 72 divisors (see below), whose sum is σ = 22830080. Its totient is φ = 2503872.

The previous prime is 8261573. The next prime is 8261621. The reversal of 8261604 is 4061628.

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, 59367 + ... + 59505.

Almost surely, 2^8261604 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 8261604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11415040).

8261604 is an abundant number, since it is smaller than the sum of its proper divisors (14568476).

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

8261604 is a wasteful number, since it uses less digits than its factorization.

8261604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8261604 is about 2874.3006105834. The cubic root of 8261604 is about 202.1566931118.

The spelling of 8261604 in words is "eight million, two hundred sixty-one thousand, six hundred four".