387485 has 8 divisors (see below), whose sum is σ = 531456. Its totient is φ = 265680.

The previous prime is 387463. The next prime is 387493. The reversal of 387485 is 584783.

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

It is not a de Polignac number, because 387485 - 2¹⁶ = 321949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 11071 = 387485 / (3 + 8 + 7 + 4 + 8 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5501 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (66432).

2³⁸⁷⁴⁸⁵ is an apocalyptic number.

387485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

387485 is a deficient number, since it is larger than the sum of its proper divisors (143971).

387485 is a wasteful number, since it uses less digits than its factorization.

387485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11083.

The product of its digits is 26880, while the sum is 35.

The square root of 387485 is about 622.4829314929. The cubic root of 387485 is about 72.9040460697.

The spelling of 387485 in words is "three hundred eighty-seven thousand, four hundred eighty-five".