387454 has 4 divisors (see below), whose sum is σ = 581184. Its totient is φ = 193726.

The previous prime is 387449. The next prime is 387463. The reversal of 387454 is 454783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454783 = 7 ⋅64969.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

387454 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 96862 + ... + 96865.

It is an arithmetic number, because the mean of its divisors is an integer number (145296).

2³⁸⁷⁴⁵⁴ is an apocalyptic number.

387454 is a deficient number, since it is larger than the sum of its proper divisors (193730).

387454 is a wasteful number, since it uses less digits than its factorization.

387454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193729.

The product of its digits is 13440, while the sum is 31.

The square root of 387454 is about 622.4580307137. The cubic root of 387454 is about 72.9021018347.

It can be divided in two parts, 387 and 454, that added together give a square (841 = 29²).

The spelling of 387454 in words is "three hundred eighty-seven thousand, four hundred fifty-four".