387684342 has 24 divisors (see below), whose sum is σ = 841257144. Its totient is φ = 129032064.

The previous prime is 387684331. The next prime is 387684361. The reversal of 387684342 is 243486783.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3888 + ... + 28115.

It is an arithmetic number, because the mean of its divisors is an integer number (35052381).

Almost surely, 2^387684342 is an apocalyptic number.

387684342 is an abundant number, since it is smaller than the sum of its proper divisors (453572802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387684342 is a wasteful number, since it uses less digits than its factorization.

387684342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32684 (or 32681 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 387684342 is about 19689.7014197778. The cubic root of 387684342 is about 729.1654577671.

The spelling of 387684342 in words is "three hundred eighty-seven million, six hundred eighty-four thousand, three hundred forty-two".