385352837 has 2 divisors, whose sum is σ = 385352838. Its totient is φ = 385352836.

The previous prime is 385352791. The next prime is 385352839. The reversal of 385352837 is 738253583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284731876 + 100620961 = 16874^2 + 10031^2 .

It is a cyclic number.

It is not a de Polignac number, because 385352837 - 2⁸ = 385352581 is a prime.

Together with 385352839, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385352839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192676418 + 192676419.

It is an arithmetic number, because the mean of its divisors is an integer number (192676419).

Almost surely, 2^385352837 is an apocalyptic number.

It is an amenable number.

385352837 is a deficient number, since it is larger than the sum of its proper divisors (1).

385352837 is an equidigital number, since it uses as much as digits as its factorization.

385352837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The square root of 385352837 is about 19630.4059305965. The cubic root of 385352837 is about 727.7008019841.

The spelling of 385352837 in words is "three hundred eighty-five million, three hundred fifty-two thousand, eight hundred thirty-seven".