42088971 has 8 divisors (see below), whose sum is σ = 59072320. Its totient is φ = 26582472.

The previous prime is 42088939. The next prime is 42088973. The reversal of 42088971 is 17988024.

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

It is not a de Polignac number, because 42088971 - 2⁵ = 42088939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42088973) 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, 369145 + ... + 369258.

It is an arithmetic number, because the mean of its divisors is an integer number (7384040).

Almost surely, 2^42088971 is an apocalyptic number.

42088971 is a deficient number, since it is larger than the sum of its proper divisors (16983349).

42088971 is a wasteful number, since it uses less digits than its factorization.

42088971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738425.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 42088971 is about 6487.6013286884. The cubic root of 42088971 is about 347.8479402386.

The spelling of 42088971 in words is "forty-two million, eighty-eight thousand, nine hundred seventy-one".