387439274 has 8 divisors (see below), whose sum is σ = 581432160. Its totient is φ = 193628556.

The previous prime is 387439267. The next prime is 387439277. The reversal of 387439274 is 472934783.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (387439277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40094 + ... + 48809.

It is an arithmetic number, because the mean of its divisors is an integer number (72679020).

Almost surely, 2^387439274 is an apocalyptic number.

387439274 is a deficient number, since it is larger than the sum of its proper divisors (193992886).

387439274 is a wasteful number, since it uses less digits than its factorization.

387439274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91084.

The product of its digits is 1016064, while the sum is 47.

The square root of 387439274 is about 19683.4771826525. The cubic root of 387439274 is about 729.0117822401.

The spelling of 387439274 in words is "three hundred eighty-seven million, four hundred thirty-nine thousand, two hundred seventy-four".