385302487 has 2 divisors, whose sum is σ = 385302488. Its totient is φ = 385302486.

The previous prime is 385302479. The next prime is 385302493. The reversal of 385302487 is 784203583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385302487 - 2³ = 385302479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385302457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192651243 + 192651244.

It is an arithmetic number, because the mean of its divisors is an integer number (192651244).

Almost surely, 2^385302487 is an apocalyptic number.

385302487 is a deficient number, since it is larger than the sum of its proper divisors (1).

385302487 is an equidigital number, since it uses as much as digits as its factorization.

385302487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 385302487 is about 19629.1234394203. The cubic root of 385302487 is about 727.6691069350.

The spelling of 385302487 in words is "three hundred eighty-five million, three hundred two thousand, four hundred eighty-seven".