42887292 has 48 divisors (see below), whose sum is σ = 117465600. Its totient is φ = 11921472.

The previous prime is 42887279. The next prime is 42887309. The reversal of 42887292 is 29278824.

42887292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3792 + ... + 10007.

It is an arithmetic number, because the mean of its divisors is an integer number (2447200).

Almost surely, 2^42887292 is an apocalyptic number.

42887292 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42887292 is an abundant number, since it is smaller than the sum of its proper divisors (74578308).

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

42887292 is a wasteful number, since it uses less digits than its factorization.

42887292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13850 (or 13848 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 42887292 is about 6548.8389810714. The cubic root of 42887292 is about 350.0334444231.

The spelling of 42887292 in words is "forty-two million, eight hundred eighty-seven thousand, two hundred ninety-two".