385742007 has 20 divisors (see below), whose sum is σ = 658551696. Its totient is φ = 220423680.

The previous prime is 385741999. The next prime is 385742011. The reversal of 385742007 is 700247583.

385742007 is a `hidden beast` number, since 385 + 74 + 200 + 7 = 666.

It is not a de Polignac number, because 385742007 - 2³ = 385741999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385742507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 339594 + ... + 340727.

Almost surely, 2^385742007 is an apocalyptic number.

385742007 is a deficient number, since it is larger than the sum of its proper divisors (272809689).

385742007 is an equidigital number, since it uses as much as digits as its factorization.

385742007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680340 (or 680331 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 385742007 is about 19640.3158579489. The cubic root of 385742007 is about 727.9456892775.

The spelling of 385742007 in words is "three hundred eighty-five million, seven hundred forty-two thousand, seven".