387335399 has 12 divisors (see below), whose sum is σ = 429742152. Its totient is φ = 348820560.

The previous prime is 387335393. The next prime is 387335401. The reversal of 387335399 is 993533783.

It is not a de Polignac number, because 387335399 - 2²⁴ = 370558183 is a prime.

It is a super-2 number, since 2×387335399² = 300057422636978402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387335393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2012 + ... + 27905.

It is an arithmetic number, because the mean of its divisors is an integer number (35811846).

Almost surely, 2^387335399 is an apocalyptic number.

387335399 is a deficient number, since it is larger than the sum of its proper divisors (42406753).

387335399 is a wasteful number, since it uses less digits than its factorization.

387335399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30046 (or 30035 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 50.

The square root of 387335399 is about 19680.8383713703. The cubic root of 387335399 is about 728.9466254766.

The spelling of 387335399 in words is "three hundred eighty-seven million, three hundred thirty-five thousand, three hundred ninety-nine".