385912042 has 4 divisors (see below), whose sum is σ = 578868066. Its totient is φ = 192956020.

The previous prime is 385912013. The next prime is 385912061. The reversal of 385912042 is 240219583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 214066161 + 171845881 = 14631^2 + 13109^2 .

It is a junction number, because it is equal to n+sod(n) for n = 385911989 and 385912007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96478009 + ... + 96478012.

Almost surely, 2^385912042 is an apocalyptic number.

385912042 is a deficient number, since it is larger than the sum of its proper divisors (192956024).

385912042 is a wasteful number, since it uses less digits than its factorization.

385912042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192956023.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 385912042 is about 19644.6441046917. The cubic root of 385912042 is about 728.0526330038.

The spelling of 385912042 in words is "three hundred eighty-five million, nine hundred twelve thousand, forty-two".