387081607 has 8 divisors (see below), whose sum is σ = 422416512. Its totient is φ = 351771000.

The previous prime is 387081601. The next prime is 387081641. The reversal of 387081607 is 706180783.

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

It is a cyclic number.

It is not a de Polignac number, because 387081607 - 2³ = 387081599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 387081607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387081601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48982 + ... + 56332.

It is an arithmetic number, because the mean of its divisors is an integer number (52802064).

Almost surely, 2^387081607 is an apocalyptic number.

387081607 is a deficient number, since it is larger than the sum of its proper divisors (35334905).

387081607 is a wasteful number, since it uses less digits than its factorization.

387081607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12149.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 387081607 is about 19674.3896220442. The cubic root of 387081607 is about 728.7873825716.

The spelling of 387081607 in words is "three hundred eighty-seven million, eighty-one thousand, six hundred seven".