387638374 has 8 divisors (see below), whose sum is σ = 581577840. Its totient is φ = 193779096.

The previous prime is 387638371. The next prime is 387638387. The reversal of 387638374 is 473836783.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387638371) 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, 5989 + ... + 28480.

It is an arithmetic number, because the mean of its divisors is an integer number (72697230).

Almost surely, 2^387638374 is an apocalyptic number.

387638374 is a deficient number, since it is larger than the sum of its proper divisors (193939466).

387638374 is a wasteful number, since it uses less digits than its factorization.

387638374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40094.

The product of its digits is 2032128, while the sum is 49.

The square root of 387638374 is about 19688.5340744302. The cubic root of 387638374 is about 729.1366374108.

The spelling of 387638374 in words is "three hundred eighty-seven million, six hundred thirty-eight thousand, three hundred seventy-four".