387310399 has 8 divisors (see below), whose sum is σ = 457904160. Its totient is φ = 320532576.

The previous prime is 387310367. The next prime is 387310423. The reversal of 387310399 is 993013783.

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

It is not a de Polignac number, because 387310399 - 2⁵ = 387310367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387310309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953764 + ... + 954169.

It is an arithmetic number, because the mean of its divisors is an integer number (57238020).

Almost surely, 2^387310399 is an apocalyptic number.

387310399 is a deficient number, since it is larger than the sum of its proper divisors (70593761).

387310399 is a wasteful number, since it uses less digits than its factorization.

387310399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907969.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 387310399 is about 19680.2032255767. The cubic root of 387310399 is about 728.9309422059.

The spelling of 387310399 in words is "three hundred eighty-seven million, three hundred ten thousand, three hundred ninety-nine".