385040493 has 16 divisors (see below), whose sum is σ = 595232640. Its totient is φ = 245532672.

The previous prime is 385040489. The next prime is 385040503. The reversal of 385040493 is 394040583.

It is not a de Polignac number, because 385040493 - 2² = 385040489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385000493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309396 + ... + 310637.

It is an arithmetic number, because the mean of its divisors is an integer number (37202040).

Almost surely, 2^385040493 is an apocalyptic number.

It is an amenable number.

385040493 is a deficient number, since it is larger than the sum of its proper divisors (210192147).

385040493 is a wasteful number, since it uses less digits than its factorization.

385040493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620065 (or 620059 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 385040493 is about 19622.4487004043. The cubic root of 385040493 is about 727.5041385672.

The spelling of 385040493 in words is "three hundred eighty-five million, forty thousand, four hundred ninety-three".