285479743 has 2 divisors, whose sum is σ = 285479744. Its totient is φ = 285479742.

The previous prime is 285479717. The next prime is 285479773. The reversal of 285479743 is 347974582.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285479743 - 2¹⁷ = 285348671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285479773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142739871 + 142739872.

It is an arithmetic number, because the mean of its divisors is an integer number (142739872).

Almost surely, 2^285479743 is an apocalyptic number.

285479743 is a deficient number, since it is larger than the sum of its proper divisors (1).

285479743 is an equidigital number, since it uses as much as digits as its factorization.

285479743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The square root of 285479743 is about 16896.1458031114. The cubic root of 285479743 is about 658.4534826302.

The spelling of 285479743 in words is "two hundred eighty-five million, four hundred seventy-nine thousand, seven hundred forty-three".