385745842 has 8 divisors (see below), whose sum is σ = 578803356. Its totient is φ = 192811392.

The previous prime is 385745839. The next prime is 385745851. The reversal of 385745842 is 248547583.

It can be written as a sum of positive squares in 2 ways, for example, as 346294881 + 39450961 = 18609^2 + 6281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 385745792 and 385745801.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22483 + ... + 35734.

Almost surely, 2^385745842 is an apocalyptic number.

385745842 is a deficient number, since it is larger than the sum of its proper divisors (193057514).

385745842 is a wasteful number, since it uses less digits than its factorization.

385745842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61532.

The product of its digits is 1075200, while the sum is 46.

The square root of 385745842 is about 19640.4134885190. The cubic root of 385745842 is about 727.9481016519.

The spelling of 385745842 in words is "three hundred eighty-five million, seven hundred forty-five thousand, eight hundred forty-two".