385742743 has 2 divisors, whose sum is σ = 385742744. Its totient is φ = 385742742.

The previous prime is 385742681. The next prime is 385742783. The reversal of 385742743 is 347247583.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385742743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385742743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385742783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192871371 + 192871372.

It is an arithmetic number, because the mean of its divisors is an integer number (192871372).

Almost surely, 2^385742743 is an apocalyptic number.

385742743 is a deficient number, since it is larger than the sum of its proper divisors (1).

385742743 is an equidigital number, since it uses as much as digits as its factorization.

385742743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 43.

The square root of 385742743 is about 19640.3345949095. The cubic root of 385742743 is about 727.9461522533.

The spelling of 385742743 in words is "three hundred eighty-five million, seven hundred forty-two thousand, seven hundred forty-three".