387841282 has 4 divisors (see below), whose sum is σ = 581761926. Its totient is φ = 193920640.

The previous prime is 387841271. The next prime is 387841283. The reversal of 387841282 is 282148783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 282148783 = 7 ⋅40306969.

It can be written as a sum of positive squares in only one way, i.e., 246207481 + 141633801 = 15691^2 + 11901^2 .

It is a super-3 number, since 3×387841282³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (387841283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96960319 + ... + 96960322.

Almost surely, 2^387841282 is an apocalyptic number.

387841282 is a deficient number, since it is larger than the sum of its proper divisors (193920644).

387841282 is a wasteful number, since it uses less digits than its factorization.

387841282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193920643.

The product of its digits is 172032, while the sum is 43.

The square root of 387841282 is about 19693.6863486753. The cubic root of 387841282 is about 729.2638365909.

The spelling of 387841282 in words is "three hundred eighty-seven million, eight hundred forty-one thousand, two hundred eighty-two".