387384039 has 28 divisors (see below), whose sum is σ = 663792016. Its totient is φ = 221359392.

The previous prime is 387383993. The next prime is 387384047. The reversal of 387384039 is 930483783.

It is a happy number.

It is not a de Polignac number, because 387384039 - 2¹² = 387379943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 387383985 and 387384003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387384079) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 32854 + ... + 43059.

Almost surely, 2^387384039 is an apocalyptic number.

387384039 is a deficient number, since it is larger than the sum of its proper divisors (276407977).

387384039 is an frugal number, since it uses more digits than its factorization.

387384039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75938 (or 75923 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 387384039 is about 19682.0740522944. The cubic root of 387384039 is about 728.9771369144.

The spelling of 387384039 in words is "three hundred eighty-seven million, three hundred eighty-four thousand, thirty-nine".