42988 has 12 divisors (see below), whose sum is σ = 82152. Its totient is φ = 19520.

The previous prime is 42979. The next prime is 42989. The reversal of 42988 is 88924.

It is not an unprimeable number, because it can be changed into a prime (42989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445 + ... + 532.

It is an arithmetic number, because the mean of its divisors is an integer number (6846).

2⁴²⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

42988 is a deficient number, since it is larger than the sum of its proper divisors (39164).

42988 is a wasteful number, since it uses less digits than its factorization.

42988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 990 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 42988 is about 207.3354769450. The cubic root of 42988 is about 35.0307213257.

It can be divided in two parts, 4 and 2988, that added together give a palindrome (2992).

The spelling of 42988 in words is "forty-two thousand, nine hundred eighty-eight".