385886253 has 4 divisors (see below), whose sum is σ = 514515008. Its totient is φ = 257257500.

The previous prime is 385886251. The next prime is 385886261. The reversal of 385886253 is 352688583.

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.

It is not a de Polignac number, because 385886253 - 2¹ = 385886251 is a prime.

It is a super-3 number, since 3×385886253³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385886251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64314373 + ... + 64314378.

It is an arithmetic number, because the mean of its divisors is an integer number (128628752).

Almost surely, 2^385886253 is an apocalyptic number.

It is an amenable number.

385886253 is a deficient number, since it is larger than the sum of its proper divisors (128628755).

385886253 is a wasteful number, since it uses less digits than its factorization.

385886253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128628754.

The product of its digits is 1382400, while the sum is 48.

The square root of 385886253 is about 19643.9877061660. The cubic root of 385886253 is about 728.0364150011.

The spelling of 385886253 in words is "three hundred eighty-five million, eight hundred eighty-six thousand, two hundred fifty-three".