42988427 has 8 divisors (see below), whose sum is σ = 45944496. Its totient is φ = 40079872.

The previous prime is 42988399. The next prime is 42988447. The reversal of 42988427 is 72488924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42988427 - 2⁸ = 42988171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42988447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9998 + ... + 13635.

It is an arithmetic number, because the mean of its divisors is an integer number (5743062).

Almost surely, 2^42988427 is an apocalyptic number.

42988427 is a deficient number, since it is larger than the sum of its proper divisors (2956069).

42988427 is a wasteful number, since it uses less digits than its factorization.

42988427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23757.

The product of its digits is 258048, while the sum is 44.

The square root of 42988427 is about 6556.5560319424. The cubic root of 42988427 is about 350.3083731211.

The spelling of 42988427 in words is "forty-two million, nine hundred eighty-eight thousand, four hundred twenty-seven".