8261442 has 48 divisors (see below), whose sum is σ = 20629440. Its totient is φ = 2340576.

The previous prime is 8261441. The next prime is 8261443. The reversal of 8261442 is 2441628.

8261442 is a `hidden beast` number, since 8 + 2 + 614 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (8261441) and next prime (8261443).

It is not an unprimeable number, because it can be changed into a prime (8261441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21609 + ... + 21987.

It is an arithmetic number, because the mean of its divisors is an integer number (429780).

Almost surely, 2^8261442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8261442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10314720).

8261442 is an abundant number, since it is smaller than the sum of its proper divisors (12367998).

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

8261442 is a wasteful number, since it uses less digits than its factorization.

8261442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 564 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 8261442 is about 2874.2724296768. The cubic root of 8261442 is about 202.1553717542.

The spelling of 8261442 in words is "eight million, two hundred sixty-one thousand, four hundred forty-two".