8641542 has 128 divisors (see below), whose sum is σ = 24192000. Its totient is φ = 2032128.

The previous prime is 8641541. The next prime is 8641543. The reversal of 8641542 is 2451468.

It is an interprime number because it is at equal distance from previous prime (8641541) and next prime (8641543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8641541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 454809 + ... + 454827.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

Almost surely, 2^8641542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8641542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12096000).

8641542 is an abundant number, since it is smaller than the sum of its proper divisors (15550458).

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

8641542 is a wasteful number, since it uses less digits than its factorization.

8641542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 61 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 8641542 is about 2939.6499791642. The cubic root of 8641542 is about 205.2093202033.

The spelling of 8641542 in words is "eight million, six hundred forty-one thousand, five hundred forty-two".