24142986 has 72 divisors (see below), whose sum is σ = 62884224. Its totient is φ = 6667920.

The previous prime is 24142969. The next prime is 24142999. The reversal of 24142986 is 68924142.

It is a self number, because there is not a number n which added to its sum of digits gives 24142986.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26901 + ... + 27783.

It is an arithmetic number, because the mean of its divisors is an integer number (873392).

Almost surely, 2^24142986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24142986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31442112).

24142986 is an abundant number, since it is smaller than the sum of its proper divisors (38741238).

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

24142986 is a wasteful number, since it uses less digits than its factorization.

24142986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 926 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 24142986 is about 4913.5512615623. The cubic root of 24142986 is about 289.0216176962.

The spelling of 24142986 in words is "twenty-four million, one hundred forty-two thousand, nine hundred eighty-six".