387546487 has 4 divisors (see below), whose sum is σ = 396559240. Its totient is φ = 378533736.

The previous prime is 387546479. The next prime is 387546503. The reversal of 387546487 is 784645783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 387546487 - 2³ = 387546479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387546427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4506312 + ... + 4506397.

It is an arithmetic number, because the mean of its divisors is an integer number (99139810).

Almost surely, 2^387546487 is an apocalyptic number.

387546487 is a deficient number, since it is larger than the sum of its proper divisors (9012753).

387546487 is an equidigital number, since it uses as much as digits as its factorization.

387546487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012752.

The product of its digits is 4515840, while the sum is 52.

The square root of 387546487 is about 19686.2004205992. The cubic root of 387546487 is about 729.0790205895.

The spelling of 387546487 in words is "three hundred eighty-seven million, five hundred forty-six thousand, four hundred eighty-seven".