387475 has 12 divisors (see below), whose sum is σ = 524520. Its totient is φ = 281600.

The previous prime is 387463. The next prime is 387493. The reversal of 387475 is 574783.

It is not a de Polignac number, because 387475 - 2⁹ = 386963 is a prime.

387475 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 387475.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 430 + ... + 979.

It is an arithmetic number, because the mean of its divisors is an integer number (43710).

2³⁸⁷⁴⁷⁵ is an apocalyptic number.

387475 is a deficient number, since it is larger than the sum of its proper divisors (137045).

387475 is a wasteful number, since it uses less digits than its factorization.

387475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430 (or 1425 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 387475 is about 622.4748990923. The cubic root of 387475 is about 72.9034189084.

It can be divided in two parts, 3 and 87475, that added together give a palindrome (87478).

The spelling of 387475 in words is "three hundred eighty-seven thousand, four hundred seventy-five".