42857995 has 12 divisors (see below), whose sum is σ = 52022304. Its totient is φ = 33895680.

The previous prime is 42857987. The next prime is 42858019. The reversal of 42857995 is 59975824.

It is not a de Polignac number, because 42857995 - 2³ = 42857987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46590 + ... + 47500.

It is an arithmetic number, because the mean of its divisors is an integer number (4335192).

Almost surely, 2^42857995 is an apocalyptic number.

42857995 is a deficient number, since it is larger than the sum of its proper divisors (9164309).

42857995 is an frugal number, since it uses more digits than its factorization.

42857995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1013 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The square root of 42857995 is about 6546.6017902420. The cubic root of 42857995 is about 349.9537217724.

The spelling of 42857995 in words is "forty-two million, eight hundred fifty-seven thousand, nine hundred ninety-five".