387384047 has 2 divisors, whose sum is σ = 387384048. Its totient is φ = 387384046.

The previous prime is 387383993. The next prime is 387384061. The reversal of 387384047 is 740483783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 387384047 - 2⁸ = 387383791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 387383989 and 387384007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387384097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193692023 + 193692024.

It is an arithmetic number, because the mean of its divisors is an integer number (193692024).

Almost surely, 2^387384047 is an apocalyptic number.

387384047 is a deficient number, since it is larger than the sum of its proper divisors (1).

387384047 is an equidigital number, since it uses as much as digits as its factorization.

387384047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 44.

The square root of 387384047 is about 19682.0742555250. The cubic root of 387384047 is about 728.9771419325.

The spelling of 387384047 in words is "three hundred eighty-seven million, three hundred eighty-four thousand, forty-seven".