387469 has 8 divisors (see below), whose sum is σ = 414720. Its totient is φ = 361200.

The previous prime is 387463. The next prime is 387493. The reversal of 387469 is 964783.

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 387469 - 2⁵ = 387437 is a prime.

It is a super-2 number, since 2×387469² = 300264451922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387463) 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 7 ways as a sum of consecutive naturals, for example, 684 + ... + 1114.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2³⁸⁷⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

387469 is a deficient number, since it is larger than the sum of its proper divisors (27251).

387469 is a wasteful number, since it uses less digits than its factorization.

387469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its digits is 36288, while the sum is 37.

The square root of 387469 is about 622.4700796022. The cubic root of 387469 is about 72.9030426065.

It can be divided in two parts, 387 and 469, that multiplied together give a triangular number (181503 = T₆₀₂).

The spelling of 387469 in words is "three hundred eighty-seven thousand, four hundred sixty-nine".