32142857 has 8 divisors (see below), whose sum is σ = 32880384. Its totient is φ = 31410288.

The previous prime is 32142853. The next prime is 32142863. The reversal of 32142857 is 75824123.

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 32142857 - 2² = 32142853 is a prime.

It is a super-2 number, since 2×32142857² = 2066326512244898, which contains 22 as substring.

It is a Duffinian number.

32142857 is a modest number, since divided by 142857 gives 32 as remainder.

It is not an unprimeable number, because it can be changed into a prime (32142853) 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, 13928 + ... + 16070.

It is an arithmetic number, because the mean of its divisors is an integer number (4110048).

Almost surely, 2^32142857 is an apocalyptic number.

It is an amenable number.

32142857 is a deficient number, since it is larger than the sum of its proper divisors (737527).

32142857 is a wasteful number, since it uses less digits than its factorization.

32142857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479.

The product of its digits is 13440, while the sum is 32.

The square root of 32142857 is about 5669.4670825396. The cubic root of 32142857 is about 317.9519494135.

The spelling of 32142857 in words is "thirty-two million, one hundred forty-two thousand, eight hundred fifty-seven".