387623 has 2 divisors, whose sum is σ = 387624. Its totient is φ = 387622.

The previous prime is 387613. The next prime is 387631. The reversal of 387623 is 326783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 387623 - 2¹² = 383527 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 8⁵ + 6³ + 7³ + 2 + 3¹¹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387613) 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 as a sum of consecutive naturals, namely, 193811 + 193812.

It is an arithmetic number, because the mean of its divisors is an integer number (193812).

2³⁸⁷⁶²³ is an apocalyptic number.

387623 is a deficient number, since it is larger than the sum of its proper divisors (1).

387623 is an equidigital number, since it uses as much as digits as its factorization.

387623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 387623 is about 622.5937680382. The cubic root of 387623 is about 72.9126997933.

The spelling of 387623 in words is "three hundred eighty-seven thousand, six hundred twenty-three".