387214823 has 4 divisors (see below), whose sum is σ = 388180848. Its totient is φ = 386248800.

The previous prime is 387214819. The next prime is 387214847. The reversal of 387214823 is 328412783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 387214823 - 2² = 387214819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387214853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482411 + ... + 483212.

It is an arithmetic number, because the mean of its divisors is an integer number (97045212).

Almost surely, 2^387214823 is an apocalyptic number.

387214823 is a deficient number, since it is larger than the sum of its proper divisors (966025).

387214823 is an equidigital number, since it uses as much as digits as its factorization.

387214823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966024.

The product of its digits is 64512, while the sum is 38.

The square root of 387214823 is about 19677.7748487983. The cubic root of 387214823 is about 728.8709782121.

The spelling of 387214823 in words is "three hundred eighty-seven million, two hundred fourteen thousand, eight hundred twenty-three".