387042983 has 2 divisors, whose sum is σ = 387042984. Its totient is φ = 387042982.

The previous prime is 387042949. The next prime is 387042991. The reversal of 387042983 is 389240783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 387042983 - 2¹⁰ = 387041959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387042913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193521491 + 193521492.

It is an arithmetic number, because the mean of its divisors is an integer number (193521492).

Almost surely, 2^387042983 is an apocalyptic number.

387042983 is a deficient number, since it is larger than the sum of its proper divisors (1).

387042983 is an equidigital number, since it uses as much as digits as its factorization.

387042983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 387042983 is about 19673.4080169146. The cubic root of 387042983 is about 728.7631416711.

The spelling of 387042983 in words is "three hundred eighty-seven million, forty-two thousand, nine hundred eighty-three".