285714457 has 16 divisors (see below), whose sum is σ = 351037440. Its totient is φ = 227067408.

The previous prime is 285714433. The next prime is 285714463. The reversal of 285714457 is 754417582.

It is a cyclic number.

It is not a de Polignac number, because 285714457 - 2²³ = 277325849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285714497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16603 + ... + 29104.

It is an arithmetic number, because the mean of its divisors is an integer number (21939840).

Almost surely, 2^285714457 is an apocalyptic number.

It is an amenable number.

285714457 is a deficient number, since it is larger than the sum of its proper divisors (65322983).

285714457 is a wasteful number, since it uses less digits than its factorization.

285714457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45780.

The product of its digits is 313600, while the sum is 43.

The square root of 285714457 is about 16903.0901612693. The cubic root of 285714457 is about 658.6338876253.

The spelling of 285714457 in words is "two hundred eighty-five million, seven hundred fourteen thousand, four hundred fifty-seven".