387044242 has 8 divisors (see below), whose sum is σ = 625225356. Its totient is φ = 178635792.

The previous prime is 387044197. The next prime is 387044243. The reversal of 387044242 is 242440783.

It can be written as a sum of positive squares in 2 ways, for example, as 290395681 + 96648561 = 17041^2 + 9831^2 .

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 = 387044198 and 387044207.

It is not an unprimeable number, because it can be changed into a prime (387044243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7443133 + ... + 7443184.

Almost surely, 2^387044242 is an apocalyptic number.

387044242 is a deficient number, since it is larger than the sum of its proper divisors (238181114).

387044242 is a wasteful number, since it uses less digits than its factorization.

387044242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14886332.

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 387044242 is about 19673.4400143950. The cubic root of 387044242 is about 728.7639318605.

The spelling of 387044242 in words is "three hundred eighty-seven million, forty-four thousand, two hundred forty-two".