387009412 has 12 divisors (see below), whose sum is σ = 685426896. Its totient is φ = 191173160.

The previous prime is 387009397. The next prime is 387009443. The reversal of 387009412 is 214900783.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582514 + ... + 583177.

It is an arithmetic number, because the mean of its divisors is an integer number (57118908).

Almost surely, 2^387009412 is an apocalyptic number.

It is an amenable number.

387009412 is a deficient number, since it is larger than the sum of its proper divisors (298417484).

387009412 is a wasteful number, since it uses less digits than its factorization.

387009412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165778 (or 1165776 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 387009412 is about 19672.5547908755. The cubic root of 387009412 is about 728.7420707859.

The spelling of 387009412 in words is "three hundred eighty-seven million, nine thousand, four hundred twelve".