42869311 has 8 divisors (see below), whose sum is σ = 45195264. Its totient is φ = 40602360.

The previous prime is 42869287. The next prime is 42869317. The reversal of 42869311 is 11396824.

42869311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-42869311 is a prime.

It is a super-2 number, since 2×42869311² = 3675555651229442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42869317) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13255 + ... + 16168.

It is an arithmetic number, because the mean of its divisors is an integer number (5649408).

Almost surely, 2^42869311 is an apocalyptic number.

42869311 is a deficient number, since it is larger than the sum of its proper divisors (2325953).

42869311 is a wasteful number, since it uses less digits than its factorization.

42869311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29501.

The product of its digits is 10368, while the sum is 34.

The square root of 42869311 is about 6547.4659983844. The cubic root of 42869311 is about 349.9845190432.

The spelling of 42869311 in words is "forty-two million, eight hundred sixty-nine thousand, three hundred eleven".