385938497 has 4 divisors (see below), whose sum is σ = 441072576. Its totient is φ = 330804420.

The previous prime is 385938493. The next prime is 385938547. The reversal of 385938497 is 794839583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 794839583 = 9293 ⋅85531.

It is a cyclic number.

It is not a de Polignac number, because 385938497 - 2² = 385938493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385938493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27567029 + ... + 27567042.

It is an arithmetic number, because the mean of its divisors is an integer number (110268144).

Almost surely, 2^385938497 is an apocalyptic number.

It is an amenable number.

385938497 is a deficient number, since it is larger than the sum of its proper divisors (55134079).

385938497 is an equidigital number, since it uses as much as digits as its factorization.

385938497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55134078.

The product of its digits is 6531840, while the sum is 56.

The square root of 385938497 is about 19645.3174318971. The cubic root of 385938497 is about 728.0692690851.

The spelling of 385938497 in words is "three hundred eighty-five million, nine hundred thirty-eight thousand, four hundred ninety-seven".