8261436 has 12 divisors (see below), whose sum is σ = 19276712. Its totient is φ = 2753808.

The previous prime is 8261419. The next prime is 8261441. The reversal of 8261436 is 6341628.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 344215 + ... + 344238.

Almost surely, 2^8261436 is an apocalyptic number.

It is an amenable number.

8261436 is an abundant number, since it is smaller than the sum of its proper divisors (11015276).

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

8261436 is a wasteful number, since it uses less digits than its factorization.

8261436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688460 (or 688458 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 8261436 is about 2874.2713859342. The cubic root of 8261436 is about 202.1553228147.

The spelling of 8261436 in words is "eight million, two hundred sixty-one thousand, four hundred thirty-six".