387640082 has 8 divisors (see below), whose sum is σ = 581855616. Its totient is φ = 193688212.

The previous prime is 387640061. The next prime is 387640087. The reversal of 387640082 is 280046783.

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

It is not an unprimeable number, because it can be changed into a prime (387640087) 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, 62198 + ... + 68145.

It is an arithmetic number, because the mean of its divisors is an integer number (72731952).

Almost surely, 2^387640082 is an apocalyptic number.

387640082 is a deficient number, since it is larger than the sum of its proper divisors (194215534).

387640082 is a wasteful number, since it uses less digits than its factorization.

387640082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131832.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 387640082 is about 19688.5774498819. The cubic root of 387640082 is about 729.1377083088.

The spelling of 387640082 in words is "three hundred eighty-seven million, six hundred forty thousand, eighty-two".