385331653 has 32 divisors (see below), whose sum is σ = 468534528. Its totient is φ = 310003200.

The previous prime is 385331633. The next prime is 385331657. The reversal of 385331653 is 356133583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385331653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385331657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1390951 + ... + 1391227.

It is an arithmetic number, because the mean of its divisors is an integer number (14641704).

Almost surely, 2^385331653 is an apocalyptic number.

It is an amenable number.

385331653 is a deficient number, since it is larger than the sum of its proper divisors (83202875).

385331653 is a wasteful number, since it uses less digits than its factorization.

385331653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493.

The product of its digits is 97200, while the sum is 37.

The square root of 385331653 is about 19629.8663520667. The cubic root of 385331653 is about 727.6874671087.

It can be divided in two parts, 3853316 and 53, that added together give a square (3853369 = 1963²).

The spelling of 385331653 in words is "three hundred eighty-five million, three hundred thirty-one thousand, six hundred fifty-three".