387242083 has 2 divisors, whose sum is σ = 387242084. Its totient is φ = 387242082.

The previous prime is 387242077. The next prime is 387242087. The reversal of 387242083 is 380242783.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387242083 is a prime.

It is not a weakly prime, because it can be changed into another prime (387242087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193621041 + 193621042.

It is an arithmetic number, because the mean of its divisors is an integer number (193621042).

Almost surely, 2^387242083 is an apocalyptic number.

387242083 is a deficient number, since it is larger than the sum of its proper divisors (1).

387242083 is an equidigital number, since it uses as much as digits as its factorization.

387242083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 387242083 is about 19678.4674962254. The cubic root of 387242083 is about 728.8880820310. Note that the first 3 decimals are identical.

The spelling of 387242083 in words is "three hundred eighty-seven million, two hundred forty-two thousand, eighty-three".