387469385 has 16 divisors (see below), whose sum is σ = 489646080. Its totient is φ = 293768640.

The previous prime is 387469373. The next prime is 387469387. The reversal of 387469385 is 583964783.

It is not a de Polignac number, because 387469385 - 2⁸ = 387469129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387469387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2921 + ... + 27990.

It is an arithmetic number, because the mean of its divisors is an integer number (30602880).

Almost surely, 2^387469385 is an apocalyptic number.

It is an amenable number.

387469385 is a deficient number, since it is larger than the sum of its proper divisors (102176695).

387469385 is a wasteful number, since it uses less digits than its factorization.

387469385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31048.

The product of its digits is 4354560, while the sum is 53.

The square root of 387469385 is about 19684.2420478920. The cubic root of 387469385 is about 729.0306675267.

The spelling of 387469385 in words is "three hundred eighty-seven million, four hundred sixty-nine thousand, three hundred eighty-five".