388461 has 8 divisors (see below), whose sum is σ = 534784. Its totient is φ = 250560.

The previous prime is 388459. The next prime is 388471. The reversal of 388461 is 164883.

It is a happy number.

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

It is not a de Polignac number, because 388461 - 2¹ = 388459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388461.

It is not an unprimeable number, because it can be changed into a prime (388471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1996 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (66848).

2³⁸⁸⁴⁶¹ is an apocalyptic number.

388461 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

388461 is a deficient number, since it is larger than the sum of its proper divisors (146323).

388461 is a wasteful number, since it uses less digits than its factorization.

388461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211.

The product of its digits is 4608, while the sum is 30.

The square root of 388461 is about 623.2663956929. The cubic root of 388461 is about 72.9652051606.

The spelling of 388461 in words is "three hundred eighty-eight thousand, four hundred sixty-one".